Liberum Donum is a Bogota-based illustration and animation studio owned by illustrators Juan and Santiago Calle. They specialise in crafting global visual narratives in print, editorial, advertising and 2D/3D animation. David Hawcock is a designer specializing in pop-up books, 3D novelty items, and games. He is a Dragon’s Den finalist and is currently working on his dragon-supported venture, Pop Up Games. Jenny Wren is based in Staffordshire, UK. She loves to illustrate maps, busy scenes and animals of all shapes and sizes. As well as producing artwork for books and toys, Jenny loves to design greetings cards.   Paul Upchurch is Professor of Palaeobiology at University College London. His research interests include the evolution of dinosaurs and other terrestrial vertebrates during the Mesozoic Era.