   1993 - Great Book of Whodunit Puzzles Minimysteries for You to Solve (Paperback) → Hardcover ISBN-13: 9780806903484 ISBN-10: 0806903481 Genres: Children's Books, Humor & Entertainment 7  1992 - Knight Book of Secret Codes [Knight Books] (Paperback) ISBN-13: 9780340197783 ISBN-10: 0340197781 ?  1988 - The Know How Book of Spycraft [Know How Books] (Paperback) ISBN-13: 9780860200055 ISBN-10: 0860200051 Genre: Children's Books 2     1976 - The Knowhow Book of Codes Secret Agents Spies [The Knowhow books] (Other) ISBN-13: 9780806980409 ISBN-10: 0806980400 ?       Super Sleuth Minimysteries for You to Solve (Hardcover) → Paperback ISBN-13: 9780806947006 ISBN-10: 0806947004 Genres: Children's Books, Literature & Fiction, Humor & Entertainment ? |
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