Jamie and Tom are off for another adventure in Dino World, through their secret smuggler's cave. This time they decide to try crabbing - and they manage to catch a real prehistoric crab! Jamie looks it up in the Fossil Finder, and then the boys settle down to have a really good look at their Dino Crab. But then disaster strikes! A sneaky Velociraptor runs up and grabs the Fossil Finder! The boys have to get it back - if they don't, then in the future...

As Tom and Jamie explore the prehistoric world they found through a secret cave, they hitch a ride on a herd of triceratops.

Jamie and Tom are back in dinosaur world and discover a baby Ankylosaurus who's stuck in the mud. The boys have to save the little dinosaur before it's sucked under completely - but how? And what will happen when its mother returns and starts thrashing her giant clubbed tail around?

Adventure fiction. Jamie and Tom are dying to get back to Dino World - but when they do, they find everything is quiet and still. Where are all the dinosaurs? What are they doing? Then they hear a big explosion above them - and there are meteors flying through the sky! The meteors slam into the ground and the impact knocks the boys off their feet. All over Dino World there are pockets of smoke and fire in the trees and the dinosaurs begin to emerge...

"When Jamie and Tom spot the Compsagnathus on the mountainside they think the little creatures are cute. But they soon realize these pesky carnivores aren't as sweet as they look. Worse still, as the boys race to get away, the mountain begins to shake. It's a volcano! And it's about to blow."--Publisher's description.

Tom and Jamie try to stop a stampede of edmontosauruses, who are running towards a crater caused by a meteorite.

The boys and Wanna are off on another adventure in the steamy Triassic and are on the lookout for a Postosuchus, also known as the 'running crocodile'. They eventually track down not one, but two of the enormous crocs and scramble up the nearest tree to get a birds' eye view. The ferocious beasts are fighting over their lunch, but when Wanna falls from the tree and into the water, it looks as though he's going to be crocodile pudding unless the boys...

Jamie and Tom decide to practise their tracking skills in the secret Triassic dino world. With their little dinosaur friend, Wanna, in tow, they are soon on the trail of a herd of plateosaurs. But when a baby plateosaur is left behind, the boys and Wanna decide to help it get back to its herd. When they catch the herd up at a beautiful oasis, the boys sit down for a well-earned rest. But the plateosaurs are eating everything in sight, and the other...