Full AspenCat Catalog

Professor von Volt plans to send Geronimo and his time traveling friends back to King Solomon's court to borrow a ring that supposedly will restore harmony to Mouse Island and balance the environment--but they soon find themselves taking an unplanned detour through Napoleon's court, a Viking village, and the Minotaur's labyrinth, before finally arriving before the wise King.

While gathering crafting ingredients in the Nether, Brett and his friends end up in another time period to help a stranger get home.

Mike Evans goes through the time portal to find his friend Shannon and her troublesome brother Jeff, but he soon finds they all have bigger problems--a robot who wants to repopulate the Earth with dinosaurs and a group of Tyrannosaurus rex babies who remember Mike from New York.

What seems to Mike Evans like a boring dinosaur dig in China turns suddenly dangerous when he finds evidence of a live dinosaur in the neighborhood--and he and his friend Shannon run into a villain in a skull mask called Mr. Bones who is controlling both a feathered dino, and a fierce carnivore.

Tom and Jamie come to the rescue after a quetzalcoatlus "dino-napps" their friend, the wannanosaurus.

Asks the reader to choose the plot line in a story in which the main character receives a map, a map that leads to a kiva, which is a portal for time travel.

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.

A First Stepping Stone Book. The magic tree house takes Jack and Annie to a moon base in the future where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.

This time the mysterious box that Ranger the Golden retriever found transports him to a Maryland plantation before the Civil War, where he must help a young house slave named Sarah and her younger brother Jesse find their way to the underground railroad and North to freedom, before Jesse is sold to a plantation further South.