Reeya Rai and her friend Finlay discover a priceless ivory peacock in a cave near the Roman site her parents are studying, and Reeya must come up with a way to retrieve the nearly inaccessible artifact before the greedy Dr. Acker finds it.

Neither the return of Big Bob Till, Dragonfly's report that his mother saw a ghost, nor a mysterious note warning that a cave is haunted will keep the gang from spending a night alone there.

In the caves of Avantia lurks Arachnid the Spider King. Massive and terrifying, Arachnid preys on the local townspeople and guards a piece of the magical golden armor. Can Tom defeat the Beast and save the kingdom from destruction?

"As Tom and Elenna navigate the horrid terrain of Gorgonia, they quickly realize that nothing is what it seems to be. Each step brings them to another dangerous encounter. But Tom won't give up. Not when Epos the Winged Flame is being held captive somewhere in the Dark Realm and Malvel has created a wicket winged Beast of his own. With the help of his friends, Tom is determined to chase down the evil wizard and return all of the good Beasts back to...

The gnomes of the Stone Forest are in trouble when all the gems in the forest lose their shine, so Prince Lucas and Lady Clara help the gnomes before their home changes forever.

"Big Shark is scared! The cave looks far too dark and spooky to swim into. But Little Shark isn't scared in the least! Can he coax Big Shark to explore? Some exciting surprises are waiting deep in the spooky cave!"--

Sent to explore a network of caves in India, Leah the biology expert and Cheng the geology expert soon discover there's more to this daring mission than meets the eye.

A ransom note received at Dragon Slayers' Academy sends Wiglaf and Angus to the rescue of the supposed victims, but upon arriving at Keep Away Mountain Cave, they discover that an elaborate prank has put them in danger.

"The Thea Sisters are going to New Zealand! Their new friend Charlotte wants to show them the sights, and introduce them to Didi, a skeleton of a bird that went extinct many years ago. But when they get to the mouseum, Didi has gone missing! Can they find the stolen skeleton before it is too late?"--

Stanley and his friends are exploring a mysterious cave. It's such fun! But then they see lots of strange shadows, and they're moving . . . Oh no! It must be a cave monster!