Meet Megalodon and more of the biggest, coolest, and creepiest marine animals from the prehistoric era! Teeth, tails, and scales—oh my! Newly independent read
A companion volume to the 3-D "Sea Monsters" film reveals the terrifying predators that lurked in the underwater Cretaceous world, in a volume that also profile
A young female sea dolly is born in the shallow waters of a prehistoric Kansas Mesozoic-era lake and learns to survive after encountering a variety of predators
The ocean is filled with giant, strange, and scary creatures such as whales, octopuses, and sharks—but the prehistoric megalodon was powerful enough to crush
A young female sea dolly is born in the shallow waters of a prehistoric Kansas Mesozoic-era lake and learns to survive after encountering a variety of predators