Two best friends discover a secret entrance to a prehistoric world! While exploring a new area of Dinosaur Cove with the Wannasaurus, Jamie and Tom discover a baby Ankylosaurus stuck in the mud. They must help it get out of the muddy marsh--but how?

"Tom and Jamie can't believe their luck when they find a secret entrance to a prehistoric world filled with dinosaurs! The first dinosaur they meet is a friendly wannanosaurus. It eats the fruit from super-stinky ginkgo trees. But soon, Tom and Jamie meet a much less friendly dino: a Tyrannosaurus Rex that would like to eat them!"--P. [4] of cover.

Tom and Jamie can't believe their luck when they find a secret entrance to a prehistoric world filled with dinosaurs! The boys are ready for a fun day with the Wanna by the lagoon. But when a velociraptor steals their Fossil Finder, they find themselves chasing the speedy thief into unfamiliar--and dangerous--territory.

Tom and Jamie can't believe their luck when they find a secret entrance to a prehistoric world filled with dinosaurs! They vow to have a new adventure every day. Loaded with snorkeling gear, the boys decide to explore the cove itself. They have fun with the dolphin-like ichthyosaurs in the bay, and even tempt Wanna out into the water. But there are some not-so-friendly creatures lurking.

Jamie is member of the Dinosaur Club, a network of kids around the world who love to share dinosaur knowledge, help identify fossils, post dino discoveries, and chat about all things prehistoric. Jamie has just moved to Ammonite Bay, a stretch of coastline famous for its fossils. He is busy exploring through a secret tunnel when he discovers some dinosaur footprints! Jamie has been transported back in the time of the dinosaurs – sounds like he could...

Dinosaur Club member Jamie meets a fellow club member while exploring his new home of Ammonite Bay, and together they discover some dinosaur footprints that transport them back to the prehistoric era where they must call on the Dinosaur Club for help.

"When Jamie and Tess discover a secret cave that lets them travel back to the time of the dinosaurs,a whole world of adventure awaits them. It's amazing, but dangerous, too! They'll definitely need help from their friends in the Dinosaur Cub"--