In this story that introduces the fundamentals of addition and the concept of doubling, a swamp becomes quite crowded as the number of dinosaurs doubles each time, from one to sixty-four.
Join the dig for dinosaurs! Make reading your superpower with DK’s beautiful, leveled nonfiction.Use your reading superpowers to learn all about how dinosaurs were discovered - a high-quality, fun,...
The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better.Track the...
In this fascinating and accessible overview, renowned paleontologist Michael J. Benton reveals how our understanding of dinosaurs is being transformed by recent fossil finds and new technology.Over...