Dinosaur on Shabbat. Soft Cover. By Diane Levin Rauchwerger, illustrated by Ason Wolf. When a dinosaur visits a young boy on Shabbat to help celebrate, he causes chaos. From baking challah to helping with havdalah, the fun-loving dinosaur leaves a mess in his wake. Third in the series of dinosaur holiday books including Dinosaur on Hanukkah and Dinosaur on Passover.