When it is rock 'n' roll time during the prehistoric era, many different kinds of dinosaurs gather to twist, twirl, and tromp at a Saturday night party. Turtleback binding is a highly durable alternative to a hardcover or paperback book. The comprehensive cover reinforcement process will drastically combat wear and tear, keeping your favorite books in great condition for years to come! Turtleback books are ideal for any reader, or for use in schools or libraries.