Case, Doug English puzzles. 1 : 50 puzzles and games for practising your English - London HarperCollins 1990 - 58 p. 24 cm. 001202 G 14 ISBN: 0435282808 Subjects--Topical Terms: PuzzlesEnglish languageEnglish language--Textbooks for foreign speakers Dewey Class. No.: 428.25 / E-58