Doctor Ecco's Cyberpuzzles 

by Dennis E. Shasha

2002 First Edition Hardcover

• Number Line: 1 2 3 4 5 6 7 8 9 0
• Shelf / Edge Wear to Dust Jacket
• Inside Pages are Clean & Crisp
  No Writing - Like New
• Name Blacked Out in Front
• Please View Pictures
• Smoke Free Home
• Combined Shipping Available