1981 - The Cunning Caliph and Other Number Puzzles to Test Your Logic (Paperback) ISBN-13: 9780064635417 ISBN-10: 0064635414 Genre: Science & Math ? |
1981 - The Cunning Caliph and Other Number Puzzles to Test Your Logic (Paperback) ISBN-13: 9780064635417 ISBN-10: 0064635414 Genre: Science & Math ? |