The boy with two belly buttons Dubner, Stephen J. Popularity → Current 25 Peak 40 Niche 60 Solomon a little boy with two belly buttons, discovers that being different can be a good thing. HarperCollins 2007-09-25 32 pages
The belly book Manushkin, Fran Popularity → Current 19 Peak 29 Niche 53 A light-hearted salute to the body's midsection in simple rhymes and colorful drawings. Feiwel & Friends 2011-11-08 32 pages
