"Bubbles over with the joy of scientific discovery as he shares his natural enthusiasm for the blend of sleuthing and imagination."—Publishers Weekly, starred

With a lively rhyming text and vibrant paper collage illustrations, author-artist Bob Barner shakes the dust off the dinosaur bones found in museums and reminds

Have you ever seen an elephant in a zoo? You know they are very big and can weigh as much as a school bus! Millions of years ago there was a dinosaur on Earth c

How do we know what dinosaurs were like? Dinosaurs roamed the earth millions of years ago. Then suddenly they all died out. How do we know now what they looked

Have you ever wondered what left behind those prints and tracks on the seashore, or what made those marks or dug those holes in the dunes? Life Traces of the Ge