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Leanpub makes it easy to create, publish, and sell ebooks or online courses while earning industry-leading royalties. With 80% royalties on purchases of $7.99 or more (or 80% minus a small $0.50 fee for purchases under $7.99), your work earns what it deserves. For example, a $10 sale brings you $8, and selling 5,000 copies at $20 could mean $80,000 in your pocket!

Leanpub has already paid out $15,076,521.62 to authors. Whether you write in Markdown or upload PDF/EPUB files, Leanpub’s intuitive publishing tools simplify the process. Use our in-browser editor or sync with GitHub or Dropbox and publish your ebook with a single click. Plus, you decide when to release—during the writing process or upon completion.

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As an academic, I like Leanpub because it lets me write and get my ideas out there quickly. Leanpub is simply the best place for publishing my books.

Roger D. Peng
Associate Professor of Biostatistics at the Johns Hopkins Bloomberg School of Public Health

Top Books

  1. Effective Software Engineering Management
    Mastering the art of leading Software Engineering teams
    Addy Osmani

    Turn your engineering team into a force multiplier, not a bottleneck. This book gives current and aspiring engineering managers practical frameworks, questions, and examples for everything from one on ones and feedback to scaling teams and navigating crises.

  2. CISA: The Last Mile
    Your guide to the finish line
    Pete Zerger

    This book covers every topic in the latest CISA exam syllabus, approaching topics from the ISACA perspective. It's 400+ pages, organized in a format following the syllabus that makes it easy to drill down on specific exam domains and concepts at-a-glance, making it an essential exam resource for anyone who aims to prepare for the CISA exam without wasting time or money.

  3. Jetpack Compose is the future of Android UI. Master how it works internally and become a more efficient developer with it. You'll also find it valuable if you are not an Android dev. This book provides all the details to understand how the Compose compiler & runtime work, and how to create a client library using them.

  4. The SysML v2 Book
    Practical Insights and Comprehensive Reference
    Tim Weilkiens and Vince Molnár

    Learn SysML v2 with the ultimate guide for all skill levels in MBSE. Authored by insiders, it's your key to unlocking the full potential of system modeling and a passport to mastering your MBSE.

  5. A clear, illustrated guide to large language models, covering key concepts and practical applications. Ideal for projects, interviews, or personal learning.

  6. How to Build and Fine-Tune a Small Language Model
    A Step-by-Step Guide for Beginners, Researchers, and Non-Programmers
    J. Paul Liu

    You don’t need massive compute or big-tech resources to build real AI. This hands-on guide shows you how to build and fine-tune your own small language model—from scratch—using accessible tools like Google Colab. Learn transformers step-by-step, train and align models on your own data, and deploy practical AI systems that run on consumer GPUs. If you’ve ever wondered “Can I build my own model?”—this book proves the answer is yes.

  7. Manifest Android Interview
    The ultimate guide to cracking Android technical interviews
    Jaewoong

    To ace your next Android job interview, focus on truly understanding the concepts—not just memorizing answers—and practicing how to apply them. With 108 interview questions, 162 additional practical questions, and 50+ pro tips, this book helps you sharpen skills, understand the why, and prepare for real-world technical challenges. Hardcover edition | Paperback edition

  8. CISSP: The Last Mile
    Your guide to the finish line
    Pete Zerger

    The book covers every topic in the latest CISSP exam syllabus, organized in a format that makes it easy to drill down on specific exam domains and concepts at-a-glance, making it an essential exam resource for anyone who aims to prepare for the exam without wasting time or money.

  9. Logic is the most important branch of math to software engineering. Knowing logic opens up a vast world of development techniques, from everyday tricks of the trade to exotic tools for cracking impossible tasks. This book teaches the basics of logic and nine special logic-powered techniques: property testing, decision tables, constraint solving, and more. Over 40 exercises are provided to help readers master the material. No prior math background required!

Top Courses

  1. SysML v2 Certification Model Reader
    Preparation with Sample Questions
    Tim Weilkiens and Vince Molnár

    Attention: Read the note below!Boost your SysML v2 skills and pass the Model Reader Certification Exam with confidence. Prepare for the exam with sample questions from Tim Weilkiens and Vince Molnar. This Leanpub course focuses on what the exam expects. Detailed explanations are available in the companion “The SysML v2 Book”.

  2. Programming for Kids
    Ruby and Mac Edition
    Peter Armstrong

    This course teaches kids between 9 and 14 years old the basics of programming. You will need to use a Mac computer to follow along. The programs are short, so you can type them all in yourself. This is true even if you can't type well. (Leanpub authors: The GitHub repository for this course is here, if you want to see how to make Leanpub courses!)

  3. Generative AI in a Nutshell
    How to Survive and Thrive in the Age of AI
    Henrik Kniberg

    This is a fast-paced, practical, and visual guide to the strange new world of Generative AI. It is like an extended version of Henrik's viral video with the same name.

  4. Leadership for Cancer Informatics Research
    Carrie Wright, Sarah Wheelan, Jeffrey Leek, Candace Savonen, and Fred Hutch
    No Description Available
  5. This course is based on the 2025 edition of the best-selling Kubernetes book, that has been fully updated for the latest versions of Kubernetes and the latest industry trends. You won't find a better and more up-to-date book-based course on Kubernetes. Hand-crafted over the past 8 years by best-selling author Nigel Poulton.

  6. C++17 in Detail
    Learn the Exciting Features of The New C++ Standard!
    Bartłomiej Filipek

    C++17 was standardised in December 2017, giving us - developers - a wealth of new features to write better code. This course describes all significant changes in the language and the Standard Library. Thanks to many practical examples you can quickly apply the knowledge.

  7. Statistical inference for data science
    A companion to the Coursera Statistical Inference Course
    Brian Caffo

    This course gives a brief, but rigorous, treatment of statistical inference intended for practicing Data Scientists.

  8. Secure Android Design and Development
    From App Layer to HAL – Aligned with Android 15
    Mohammad Hossein Heydarchi

    "Secure Android Design & Development" is an effort to provide a compiled guideline that collects cybersecurity principles, threat modeling, the Android security model, compilers, and tools together to make it possible to design and develop more securely from the HAL layer to the application layer. 

  9. This course brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this course will lay the foundation for you to begin your journey learning data science.

Interviews with Leanpub authors and special guests

The Leanpub Podcast

Hosted by Leanpub co-founder Len Epp

In The Leanpub Podcast, Leanpub co-founder Len Epp interviews authors and special guests about their lives & careers, their areas of expertise and the issues of the moment, and their experiences as writers. Every episode is deeply researched and covers areas that are equally of human interest, general interest, and professional interest.
Featured Leanpub Podcast Interview

Sal Kimmich, Author of Code, Chips and Control: The Security Posture of Digital Isolation

Episode: #328Runtime: 01:04:41Released: 12/09/2025

Sal Kimmich - In this episode of the Leanpub Podcast, Sal Kimmich explains how modern computer chip supply-chain threats, insecure defaults, and fragmented trust models shape today’s cybersecurity posture. They discuss digital isolation, open-source governance, and practical strategies for building resilient, verifiable systems.

Top Bundles

  1. This bundle includes the books “Residues: Time, Change and Uncertainty in Software Architecture” and “The Architect’s Paradox: Uncertainty and the Philosophy of Software Architecture” by Barry M O’Reilly. The books complement each other, with Residues giving a practical description of how to apply residuality theory and The Architect’s Paradox...

  2. Jetpack Compose internalsThis book explores the guts of Jetpack Compose, the brand new library by Google and the Android team that will become the future of Android UI. Dedicating time now to learn about its internals in-depth will yield powerful skills to write modern and efficient Android apps in the future. If you are interested in other use...

  3. IT Strategy Bundle
    Gregor Hohpe

    Architects prefer decision models and patterns over buzzwords. Get two books from the Architect Elevator IT Strategy series for the price of one!

  4. CCDE lab

  5. Rust Full-Stack Engineer MasterClass
    GitforGits | Asian Publishing House

    A practical Rust ramp that starts with core language proficiency and everyday idioms, then applies them to build modern web apps, GraphQL endpoints, and Wasm-powered UX. Ideal when we want one language from data models to interactive frontends. 

  6. Get All about Modern C++C++ Standard Library, including C++23Concurrency with Modern C++, including C++23C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also...

  7. Cisco CCNA 200-301 Complet
    François-Emmanuel Goffinet

    Ce lot comprend les quatre volumes du guide préparation à l'examen de certification Cisco CCNA 200-301.

  8. C++20, C++17, and MoveSemantics - The Complete Guides

  9. The Python Craftsman
    Robert Smallshire, Austin Bingham, and Sixty North

    The Python Craftsman series comprises The Python Apprentice, The Python Journeyman, and The Python Master. The first book is primarily suitable for programmers with some experience of programming in another language. If you don't have any experience with programming this book may be a bit daunting. You'll be learning not just a programming...

Top Tracks

  1. AI Masterclass
    Henrik Kniberg, Obie Fernandez, and Andriy Burkov

    About the Track: AI Masterclass Artificial Intelligence is reshaping the way we live, work, and build technology. The AI Masterclass Track brings together three powerful courses from world-class experts to give you a comprehensive, practical, and hands-on education in the age of AI. Whether you want to understand the big picture, apply AI...

  2. No Description Available
  3. A topic by topic breakdown of the hardest technical interview questions

  4. Kotlin for developers
    Marcin Moskała

    This is the complete track to learn about essential Kotlin features and get ready for working in Kotlin in daily basis. It starts from essentials, and on the way reaches advanced topics like efficient collection processing or DSL creation.

  5. Taking this course bundle, you'll learn:SOLID principles (SRP, OCP, ISP, LSP, DIP) in-depthMeta principles: DRY, KISS, YAGNI, SoC, CQS, Law of Demeter, PoLADependency Injection in Depth: IoC or DI containers, best practices, and anti-patternsFunctional Programming in C#: purity and side effects, functional C# features, immutability,...

  6. Taking this bundle, you'll learn:The basics of writing unit testsBest Practices of writing unit testsAPI of NUnitWriting test doublesUsing dependency injection to make code testableA lot of TDD practiceKatas and TDDAcceptance and Integration TestsImplement a WPF app by TDDTDD Best PracticesSpecFlow for writing acceptance testsSelenium:...

  7. Taking this bundle, you'll get a comprehensive set of courses that cover almost the whole surface of the .NET framework.The big topics that are covered:WPFMVVMSpecFlow and SeleniumLINQMultithreading and Parallel ProgrammingC# in Depth: Puzzles and GotchasAlgorithms and Data Structures in C#VS and R#and engineering practices:Unit Testing with...

  8. "Shut up and code." Laughter in the audience. The hacker had just plugged in his notebook and started sharing his screen to present his super-smart Python script. "Shut up and code" The letters written in a white literal coding font on black background was the hackers' home screen background mantra. At the time, I was a first-year computer...

  9. A Simple Path to Python Success
    Christian Mayer, Lukas Rieger, and Shubham Sayon

    Python is the fastest-growing major programming language on the planet. This practical course set will teach you Python in a hands-on, highly practical way that guarantees your success. All you need to go from zero to completing your own Python projects in a relaxed, student-centric, and fun environment. Create yourself a new skill that'll bring...