Perfect for bedtime reading, children love the laugh-aloud antics of playful Tyrannosaur-sized dinosaur children who stomp and fuss and jump on the bed in this award-winning New York Times bestseller! Celebrate the 20th anniversary of one of the most popular good-night books ever. Simple verse and hilarious illustrations present common scenes of sly humor as enormous dinosaur children yawn and fuss and throw their toys about-before finally going to sleep. Wildly popular, this book set off an award-winning series with more than 15 million books in print, and it's still going strong. Children will find the name of each dinosaur hidden in the pictures, which are a delight from start to finish. Be prepared to read it again and again!