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Paperback - Unabridged
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Kant's highly influential introduction to philosophy, presenting both the terminological and structural basis for his philosophical system, and offering an invaluable key to ... More
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Logic, math, and fun come all wrapped up in one tricky puzzle package. Each little story gives you just enough information to determine what s bigger, who weighs more, how ... More
Paperback
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So, you think you've got the brain-power to tackle tough logic puzzles? Well, try this extraordinary assortment of challenges, including Mix-and-Match logic puzzles and "Find ... More
Paperback
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All the games your brain can handle. More
Paperback
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Perfect for solvers who just can't get enough, this colossal collection contains 500 easy to hard KenKen puzzles -- perfect for novices and experts alike. Features 500 easy-to- ... More
Hardcover
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KenKen can be described simply as sudoku with basic math (addition, subtraction and/or multiplication and division). It s a fun, addictive, clever puzzle that s winning fans ... More
Paperback
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Noted expert selects 70 "short" puzzles. The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, and 67 more. Solutions included. More
Paperback
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Are you tough enough? Tkae on this collection of 200 devilishly difficult KenKen puzzles! More
Textbook Paperback - 1
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This textbook/software package covers first-order language in a method appropriate for first and second courses in logic. The unique on-line grading services instantly grades ... More
Paperback
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Parenting little ones can be exhausting . . . until you discover Love and Logic. Take the exhaustion out and put the fun into parenting your little one. If you want help with: ... More
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