Oh Say Can You Say Di-No-Saur? All about Dinosaurs is the second book app in the Cat in the Hat’s nonfiction Learning Library series. This app like the book follows the Cat in the Hat on an expedition millions of years back in time to find dinosaur fossils. Older readers as they explore this animated book learn interesting facts about the dinosaurs and details of their prehistoric lives. They can search each page for hidden information cards, access an instant glossary by tapping on special bold words, and tap the dinosaur name on any page to uncover additional information.