Green Tea Press

Welcome to Green Tea Press, publisher of How to Think Like a Computer Scientist, The Little Book of Semaphores, and more.

Read our Textbook Manifesto.

Free Books!

All of our books are available under free license that allow readers to copy and distribute the text; they are also free to modify it, which allows them to adapt the book to different needs, and to help develop new material.

These books are available in a variety of electronic formats; some are also for sale in hard copy.

New!

Think Complexity: Exploring Complexity Science with Python

An introduction to algorithms and data structures in Python, including graphs and arrays, and complexity science, which includes small world graphs, scale-free networks, cellular automata, self-organized criticality, fractals, and agent-based models.

Think Stats: Probability and Statistics for Programmers

If you have basic skills in Python, you can use them to learn concepts in probability and statistics. This new book emphasizes simple techniques you can use to explore real data sets and answer interesting statistical questions.