Tiffany Dino Works Out By (author): "Nate Evans, Marjorie Weinman Sharmat"Genres:Childrens books Picture Books Dinosaurs books ISBN0689803095ISBN139780689803093AsinTiffany Dino Works OutOriginal titleTiffany Dino Works OutUnhappy with her size, Tiffany Dino tries a variety of activities with her friends in order to lose weight.