Eruption! (Robert Irwin, Dinosaur Hunter #8)

Robert Irwin

Discover a world of prehistoric dinosaur adventure with Robert Irwin! While trekking up Mount Ruapehu, an active volcano in New Zealand, Robert and Riley are transported back to the Late Cretaceous. They encounter herds of hadrosaurs, ceratopsians and titanosaurs u and even a dinosaur graveyard! But a s...