Books

Stop treating neural networks as magic. Starting from a single dot product, this book derives every step to Backpropagation with Matrix Calculus, then turns the math into working Python. No frameworks, no skipped steps. Written for developers who want to know why the equations work, not just how to call them.

Many Linux System Administrators struggle with Ansible, I created a book that gives you copy-and-paste Playbook code and solves the most common errors that you could use to save time every day. 

Turn AI into leverage, engineer your first $29 sale, and prove your business is real - in days, not months.

This book contains answers to the most common questions regarding arc42 - the pragmatic template for communicating software architectures.

The songbook includes very simple, popular children’s and folk songs. All 70 songs in this book have been written without using the classic music score system because it is for the absolute beginners who can not read sheet music. This book is aimed at those who want to add popular melodies to their experimentation.

A complete foundation for Statistics, also serving as a foundation for Data Science, that introduces inference using randomization and simulation while covering traditional methods. Leanpub revenue supports OpenIntro, so we can provide free desk copies to teachers interested in using our books in the classroom. More resources: openintro.org.

The book to bridge DevOps and MLOps

The definitive guide to programming on the ESP32.

AI can analyze a thousand charts in seconds. So why can't it reliably make you rich? Discover the uncomfortable truth about AI trading, the mistakes most people overlook, and what these powerful tools can actually do for you.

Understand DNS through clear visual explanations of name resolution, zones, records, caching, security, and practical operations.

Understand how Model Context Protocol hosts, clients, and servers work together. Visual explanations introduce capabilities, message flows, transports, security boundaries, and reliable MCP engineering.

Build interactive apps inside Claude's conversations, from your first MCP tool to Claude's connector directory.

Your AI coding agent starts every session knowing nothing about your project, so it guesses - and the guess is sometimes expensive. The AGENTS.md Cookbook shows you how to write short, specific rules files, how to test them with a simple before-and-after method, and includes twelve ready-to-adapt recipes for real project types, labeled honestly about what has and has not been tested.

Turn Python testing from a manual chore into a reliable engineering workflow. Learn pytest through practical examples covering assertions, exceptions, fixtures, parametrization, test organization, coverage, and CI. Build a stronger safety net for your Python projects and refactor with confidence

Most organizations know they have an AI problem. Few have the tools to diagnose it honestly, measure it rigorously, and close it systematically.