TY  - BOOK
AU  - Shasha, Dennis
TI  - The puzzling adventures of Doctor Ecco 
SN  - 0486296156
U1  - 793.74 
PY  - 1998///
CY  - New York
PB  - Dover Publications
KW  - Mathematical recreations
N2  - Dr. Ecco is a mathematical detective and puzzle solver. In this book readers are invited to join him in solving nearly 40 puzzles inspired by methods in computer science and mathematics, including The Tower of Lego, the Odd Doors Problem, Spies and Double Agents, Gossiping Defenders, Code Breaking and many more. No special skills needed, just a clear head and a little imagination
ER  -