Best known as the longtime writer of the Mathematical Games column for Scientific American—which introduced generations of readers to the joys of recreational

Best known as the longtime writer of the Mathematical Games column for "Scientific American," Gardner displays an awesome level of erudition combined with a wic

Leo Lionni’s spirited story about a minnow and a tadpole is now available as a Step 3 Step into Reading book—perfect for children who are ready to read on t

Tadpole loves his rainbow friend, the caterpillar, and she tells him she loves everything about him. "Promise that you will never change," she says. But as the

Every creature that the teeny weeny tadpole meets seems to be able to jump, except him. Then he meets the big, bad fish, who can't jump - but he can swim very,