In this book, children follow a day in the life of a Triceratops, as he wanders away from his herd and has an encounter with a deadly Tyrannosaurus rex.About the Author: Ruth Thomson is an award-winning author of history and art books with dozens of titles to her credit, including Terezín: Voices from the Holocaust. Her art books include biographies of Vincent van Gogh and Georgia O'Keeffe. She has also written a number of instructional and activity books for children. Thomson has an MA in museum and gallery learning.