What Are Grandsons Made Of? Recordable Storybook. Snakes and snails and puppy-dogs' tails… Grandsons are made of some really fun stuff. A little bit of everyone, but still uniquely himself, your grandson is an awesome gift. Celebrate every sweet and amazing thing he is with this recordable storybook with rhyming verse and charming illustrations of two tiger characters. Read to him no matter where you are. Hardcover recordable book. Features Voice Save Technology®. 18 pages. Requires three (3) AAA batteries, included. Written by Ellen Brenneman. Illustrated by Yuyi Chen. 8.63" W x 10" H x 1.25" D