Last year Americans spent $400 million on 1.8 million tons of cat litter--enough to fill the Empire State Building two and a half times! Now, Paul Kunkel presents a foolproof, 21-Day Program for teaching any litter-trained cat between the ages of six months and ten years to use a toilet instead of a litterbox. Illustrations.
A collection of brainteasing games and puzzles. Some of the puzzles use cards or marbles; others have diagrams, grids and illustrations; still more present their questions as a story or a riddle. There are arithmetical, geometrical, logical and algebraic puzzles.
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