Reg and Riko's descent to the bottom of the netherworld has begun! With a perilous journey ahead and their pursuers from the surface not far behind, the trek is already testing the limits of their strength. Will their quest end before it's barely even started?

EXPLORE ENDLESS POSSIBILITIES IN THIS ALL-NEW FANTASY SERIES! In an age when the corners of the world have been scoured for their secrets, only one place remains unexplored-a massive cave system known as the Abyss, filled with monstrous creatures and lost relics. Those who delve into its depths are known as Cave Raiders. A young orphan named Riko dreams of following in her mother's footsteps as a Cave Raider, and when she meets a strange robot while...

"July Chen sees ghosts. But her dad insists ghosts aren't real. So she pretends they don't exist. Which is incredibly difficult now as it's Hungry Ghost month, when the Gates of the Underworld open and dangerous ghosts run amok in the living world. When July saves a boy ghost from being devoured by a Hungry Ghost, he becomes her first ever friend. Except William is not a ghost. He's a wandering soul wavering between life and death. As the new friends...

"Anzu has just moved to a new town during Obon, a time for families to remember and celebrate their ancestors. Ever since her obaachan died, though, Obon has lost its magic. She doesn't feel much like celebrating anymore. While avoiding holiday festivities, Anzu spots a stray dog down the street. A dog that seems to be staring right at her. But when she chases after it, she slips and falls down a ridge, losing consciousness. When she awakes, she's...