Explore the world of dinosaurs in this immersive picture book for the youngest scientists. Travel back to when Triceratops, T. Rex, and Mosasaurus walked the earth in this unforgettable adventure through the Cretaceous period. With lyrical text by Saskia Gwinn and collage-style artwork by Daniela Sosa, the fourth book in the Teeny Tiny Science series, developed in collaboration with early education experts at the University of Cambridge, introduces preschool-age children to paleontology in an accurate and accessible way. Includes a free "Stories Aloud" audiobook — just scan the QR code on the cover and follow along!