P. 8.  - Robot Puzzle 1 instruction, change the last sentence
 “Write a program with 12 or fewer steps” to “Write a program with 14 or fewer steps.” 

P. 176. - RP Puzzle 1 answer should be:
 F8 TR TR F2 TR F4 TL F4 TR TR F5 TL F3 TL

P. 179. – MR Puzzle 3 answer should be:
1 → 4 ↓ →

Copyright © Michael Serra 2011