books by subject
Puzzles

Agent Arthur on the Stormy Seas: 9 (Puzzle Adventure S.)

The Usborne Book of Puzzle Adventures: No. 1

Take Five: 134 Language Games, Puzzles and Activities (ELT Teachers Resource Materials)

Puzzle Journey Into Space (Puzzle Journeys)

Young Puzzle Adventures

Dragon in the Cupboard (Usborne Young Puzzle Adventures)

Quiz Quest 1

Top Secret - A Handbook of Codes, Ciphers and Secret Writing

Puzzle Island (Child's Play Library)

Number Activities and Games

Incredible Animal Mazes (Maze & Puzzle Books)
