Examines what is known about dinosaur bones, behavior, and other characteristics and how different the facts often are from what scientists, from ancient China to the recent past believed to be true.

A look at the mistakes, mishaps, and creativity that are part of scientific discovery. From the first humans wondering about the night sky to the demotion of Pluto to dwarf planet status, this book is an entertaining and informative look at how scientific theories change over time.