Scientists have found the bones of many small, pet-sized dinosaurs. Some of them, such as Sinosauropteryx (sine-oh-sor-OP-tur-iks), had fuzzy feathers. Did the feathers help it fly? Answer: No. Scientists think that the feathers on Sinosauropteryx helped keep it warm instead. This is just one of the many fascinating facts kids will discover as they learn all about the smallest creatures of the dinosaur age. Pet-sized Dinos uses an engaging question-and-answer...