An Amazon.com exclusive and a must-have from renowned pop-up masters Robert Sabuda and Matthew Reinhart!This awe-inspiring pop-up collection gives tribute to the world"s most beloved prehistoric animals and their 180-million-year reign on our planet.Included in this LIMITED offer:* Encyclopedia Prehistorica Dinosaurs The Definitive Pop-Up - Venture into a world of massive T. Rexes and flying vultures. With over 35 pop-ups, each of the six spreads features one spectacular, large pop-up as well as booklets of smaller pop-ups and text. * Encyclopedia Prehistorica Sharks and Other Sea Monsters: The Definitive Pop-Up - While dinosaurs patrolled the lands, massive prehistoric sharks, giant scorpions, and colossal squid cruised the ancient oceans - most with just one thing in mind: eat or be eaten. A great Christmas gift for pop-up fans, budding marine biologists and oceanographers, collectors and wide-eyed young ones alike!