By CS Book Club
Computer Science for Everyone
Chapter 8: Euler Walks and Hamilton Walks
Chapter 7: The Genus of a Graph
Chapter 6: Coloring
Chapter 5: Platonic Graphs
Chapter 4: Euler's Formula
Chapter 3: Planar Graphs
Chapter 2: Graphs
Preface, Chapter 1: Pure Mathematics
Tom Stuart, and The Ineffable Magic of Computation
Chapter 9: Programming in Toyland
Chapter 8: Impossible Programs
Chapter 7: Universality is Everywhere
Chapter 6: Programming with Nothing
Chapter 5: The Ultimate Machine
Chapter 4: Just Add Power
Chapter 3: The Simplest Computers
Chapter 2: Denotational Semantics, Formal Semantics in Practice, Implementing Parsers
Chapter 2: The Meaning of Programs, Operational Semantics
Preface, Just Enough Ruby