Dinosaur Cove: The Cretaceous Chase Are you ready for a double length Cretaceous adventure? Nacho the puppy has followed Jamie and Tom into their secret Cretaceous world. As he disappears after a speedy lizard, the boys give chase. But just as they reach him they hear a terrifying ROAR! Nacho may think he"s big and strong, but surely he"s no match for a ferocious albertosaurus? Full description