Leanpub Header

Skip to main content

A Reader Membership pays for itself.

Get hundreds of books free with your membership, plus credits that buy any book up to $25 — and many books that cost far more. Here's a taste of what's waiting.

Hundreds of books, free

About 2,000 books are free with your membership. Read as many as you like, at no extra cost.

Credits that save you money

Every membership comes with book credits. One credit buys any book up to $25 — and plenty of books priced well above that.

You support authors

Half of every Reader Membership is paid to Leanpub authors as royalties, so you're funding the books you love.

Free with a Reader Membership

A sample of the books you could be reading right now, at no extra cost.

  1. asyncio from ground up
    A working Mental Model for Python asyncio
    Ritesh Modi

    Most asyncio tutorials introduce async and await on page one and ask you to take the runtime on faith. This book does it the other way around. You build a working event loop in thirty lines of plain Python — no asyncio import — and meet the keywords as labels for parts of a runtime you have already watched run. By the end, async Python stops being intimidating and starts being readable.

  2. The Sovereign Engineer
    AI Literacy for Software Professionals
    Russ Miles

    AI is an amplifier. It magnifies whatever engineering discipline — or lack of it — already exists, which means the bottleneck was never AI's capability; it is the collaboration space you design around it. This book is a six-level progression from early AI panic to sovereign engineering: the discipline of designing the environment in which human and artificial intelligence produce work worth keeping. It moves past prompting into the practices that compound — verification, habitat engineering, specification-first development, and the platform discipline that scales the practice across teams. The habitat is yours to design. Let's build it well.

  3. CQRS by Example
    Command-Query Responsibility Segregation is an architectural style for developing applications that split the Domain Model in Read and Write operations in order to maximize semantics, performance, and scalability. What are all the benefits of CQRS? What are the drawbacks? In which cases does it worth applying it? How does it relate to Hexagonal Architecture? How do we properly implement the Write Model and Read Models? How do we keep in sync both sides? What are the following steps to move towards Event Sourcing? This book will answer all these questions and many more, guided through lots of practical examples. Brought to you by the same authors behind "Domain-Driven Design in PHP".
    Carlos Buenosvinos, Christian Soronellas, and Keyvan Akbary

    Leverage your Software Architecture skills by learning everything about CQRS in detail with lots of examplesDevelop faster applications by applying CQRS and fostering Read Models and ProjectionsLearn how to apply CQRS into a brownfield project from a pragmatic approach

  4. Securing Applications with OAuth2 and OpenID Connect
    A Practical Guide to Modern Authentication for Developers
    Sangeet Agarwal
    No Description Available
  5. Simple Calculus
    Dylan Kang
    No Description Available
  6. Rust Full-Stack Development with AI Pair Programming
    Learn full-stack Rust by building a complete, production-level FDX banking platform — backend, frontend, security, testing, and AIassisted development. Whether you’re a seasoned engineer or a beginner to modern Rust, this book takes you from concept to deployment through a fully working application designed for today’s real-world software teams.
    Konstantin Pupkov
    No Description Available
  7. AI Transformation
    From AI Pilot to a board-Ready Enterprise Strategy
    Luca Berton

    This book gives senior technology leaders a practical operating system for enterprise AI strategy. It turns scattered pilots into a board-ready plan by walking through strategy, economics, vendor decisions, ownership, governance, GenAI architecture, and roadmap assembly: AI Platform Scorecard, Use-Case Prioritization Matrix, Budget Model + Cost Guardrails, Vendor Decision Framework, RACI Matrix.

  8. The most truly passive online business I know is Amazon KDP. If you want to stay anonymous and build a passive online business system the hard way, this book is for you.

  9. Unit Testing has moved from fringe to mainstream, which is great. Unfortunately, developers are creating mountains of unmaintainable tests as a side effect. I've been fighting the maintenance battle pretty aggressively for years, and this book captures what I believe is the most effective way to test.

New · now on the App Store

The Leanpub App

Your whole Leanpub library, now in your pocket. Read offline, track your progress with highlights and notes, and get free updates with one tap. Also, if you have a Reader Membership, you can now buy books with credits!

Download Leanpub on the App StoreLearn more

Note: this is a totally NEW, completely rewritten app. Almost all the reviews on the App Store are from the old Leanpub app, which was retired in 2019. Once you've used our app, please leave us a review on the App Store so your fellow Leanpub readers and authors know our app is actually useful now!

Download Leanpub on the App Store

See how far a credit goes

See how much you save buying these books with credits.

  1. CCDE: The Practical Guide
    $99.992 credits
    Save $49.99
  2. Web Atelier
    Web Atelier
    visual lecture notes
    Cesare Pautasso
    $49.991 credit
    Save $24.99
  3. Learn JEA and (RBAC) for Windows Admin Center
    Learn JEA and (RBAC) for Windows Admin Center
    Dave Kawula, John O'Neill Sr., and Cristal Kawula
    $99.952 credits
    Save $49.95
  4. Veeam Backup for Microsoft 365 Operations Guide
    Veeam Backup for Microsoft 365 Operations Guide
    Volume 1
    Dave Kawula, Cary Sun, and Cristal Kawula
    $49.951 credit
    Save $24.95
  5. Python for Accounting
    Python for Accounting
    A Modern Guide to Using Python Programming in Accounting
    Horatio Bota
    $49.001 credit
    Save $24.00
  6. Constraint-Based Design: An Unexpected Gateway to Understanding Modern LLM Architecture
    Constraint-Based Design: An Unexpected Gateway to Understanding Modern LLM Architecture
    The HPC Tradecraft Master Practitioner, Volume 3
    Edward W. Barnard
    $45.001 credit
    Save $20.00
  7. Sockets and Pipes
    Sockets and Pipes
    Connect with Haskell
    Type Classes
    $40.001 credit
    Save $15.00
  8. Python For Hackers
    Python For Hackers
    Shantnu Tiwari
    $39.001 credit
    Save $14.00
  9. Node.js Secure Coding: Defending Against Command Injection Vulnerabilities
    $36.201 credit
    Save $11.20