Visiting Dinosaurs. The Mystery of Dinosaur Extinction. An Investigation in the Cretaceous Period

Once, during a tour at the paleontological museum, a magical book transported twins Rita and Nikita and an erudite parrot Koriandr to the late Cretaceous period. Unforgettable adventures await the twins! They will play ball with pachycephalosaurs, witness a battle of mosasaurs, observe triceratops, rescue a baby tyrannosaurus, and hide from the rain in a maiasaura nest. But will the children manage to uncover the secret of the extinction of dinosaurs?