The Moscow Puzzles: 359 Mathematical Recreations Class_DICTIONARIES Jane and Claudia must save

Jane and Claudia must save Morgana before the winter solstice

which includes activities to develop Reading and Writing skills

writing and spelling by providing intensive practice in phonics

Sonchai confronts the terrifying consequences of a lesson he should have learned long ago

The Moscow Puzzles: 359 Mathematical Recreations Class_DICTIONARIES Jane and Claudia must saveMost popular Russian puzzle book ever published. Marvelously varied puzzles ranging from simple "catch" riddles to difficult problems. Lavishly illustrated with clear diagrams and amusing sketches. Edited for English readers, while retaining warmth and charm of original. Inexpensive edition of first English translation. Introduction by Martin Gardner. 425 line illustrations. Solutions.