The brain of a fully-grown Diplodocus weighs the same as a tennis ball. My First Dinosaur eBook: Diplodocus is a gorgeously illustrated book taking you back to the age of dinosaurs. Loaded with interesting facts and easy-to-read sentences, this book highlights the uniqueness of these reptiles. This Dino eBook is a must-have for all children! Develops vocabulary Inculcates reading habit Stimulates imagination Beautiful Enhances observational skills Optimized for digital reading, this ebook offers a smooth, immersive experience on any device.