The further adventures of Penrose : the mathematical cat /
Mathematical cat
by Theoni Pappas.
- San Carlos, CA : Wide World Pub./Tetra, c2004.
- ix, 117 p. : ill. ; 26 cm.
Presents lessons, exercises, and games on mathematics featuring an inquisitive cat named Penrose, covering such topics as prime numbers, congruent objects, and pi.