An A4-size illustrated reference book that provides detailed explanations of dinosaurs and ancient creatures. - Title: The Strongest Species Illustrated Encyclopedia - Publisher: Gakken - Genre: Dinosaurs & Paleontology - Content: An illustrated reference book about dinosaurs and ancient creatures - Size: A4 size Thank you for viewing. There is no cover. Since it was used by a child, there are some scratches. This is a set of two books, but I can sell them separately if you wish.