Electra, the new assistant to Frank, who runs the snack bar at the skating rink, bakes terrific monster-sized cookies, but Eddie, Melody, and Howie suspect that she is a monster Dr. Victor created to be Frank's mate.

Alexander is used to finding monsters everywhere in Stermont, but now the school is being turned into an icebox by giant meat-eating vegetables--and his friend Rip has gone missing.

Clay, Macy, Lance, Axl, and Aaron graduate from the Knights' Academy, and their first task as Nexo Knights is to stop the former court jester, Jestro, from destroying towns with a summoned lava monster.

"Reports are pouring in from around the world. A fishing crew claims a giant squid is lurking off the coast of Norway. A huge, snakelike sea serpent was spotted in the Mediterranean Sea. Far out in the Pacific Ocean there are reports of the biggest shark ever seen. Are these reports evidence of the legendary Kraken and other sea monsters of old? It's up to YOU to find out! With dozens of choices, you can follow the clues to the end. Which path will...

In one of the last cities still standing after the world fell to monsters, best friends Zed and Brock find themselves members of the perilous Adventurers guild working as defenders against otherworldly beasts, a situation that is complicated by their discovery of a plot against their new allies.

A young orphan learns that monsters can grow out of the shadows in our world, and there is an ancient order of knights who keep them at bay.

Finding out she's the daughter of Zeus is not what a foster kid like Phoebe Katz expected to hear from a talking statue of Athena. But when her beloved social worker is kidnapped, Phoebe and her two friends must travel back to ancient Greece and rescue him before she accidentally destroys Olympus.

Knight-in-training Tim and his friends flee the hazardous Sea of Terror and head toward the city of Atlantis in pursuit of King Neptuna's stolen trident.

Sarah, Marco, their families, friend Leo, and his grandfather continue to strive to outwit treasure-seeker Fox and escape the mysterious island and its strange inhabitants.