Penrose, a cat with a knack for math, takes children on an adventurous tour of mathematical concepts from fractals to infinity. When the fractal dragon jumps off the computer screen and threatens to grow larger than the room itself, Penrose...
Informative stories, creative characters, and unique settings enhance an illustrated tale about the adventures of a mathematical cat; introducing the concept of pi, symmetry, and multiplication through a series of puzzles, games, charts, wo...