ALL AGES  Gadgetology: Kitchen Fun with Your Kids – Using 35 Cooking Gadgets For Simple Recipes, Crafts, Games and Experiments By Pam Abrams; The Harvard Common Press, 2007; $14.95; www.harvardcommonpress.com. Who doesn’t love kitchen gadgets? This delightful book of cooking, play and discovery activities is organized by gadgets, from whisks and tongs to apple-peeling machines and cherry pitters. Who knew that you could put biscuit dough through a garlic press and then bake it into a bird’s nest to fill with jellybean eggs? Or that you could make your own sidewalk chalk from eggshells ground in a mortar and pestle, then mixed with flour, water and paint?