"The great love of Corey's life has always been her best friend, Bree: closer than sisters, their bond is unbreakable. Or so Corey thought, until Bree betrays her in the worst way possible. When Bree's sudden death rocks their small island community, Corey is heartbroken and furious. How can she mourn her one-time friend when she is still so angry at her? But though Bree has passed on, her spirit remains--and her and Corey's tale isn't finished yet....

Lupe Impala, Elirio Malaria, and El Chavo Octopus are now the proud owners of their own garage--but when a series of earthquakes hit their town and Genie, their beloved cat, disappears they find themselves traveling to the realm of Mictlantecuhtli, Aztec god of the Underworld, who is keeping Genie prisoner.

"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...

Pat and Jen are heroes. After defeating Evil Jen and closing all the portals to the underworld, they have nothing to worry about, no villains to defeat, and no adventures to go on. Awesome, right? Until a mysterious voice tells Jen that she has to go to the underworld to uncover a secret about her past. It is a quest she can only undertake alone. With Jen off to find out the truth and Pat desperate to find Jen, the heroes almost don't notice that...

After negotiating with the queen of the underworld for ten days aboveground, teenage bruja Ren sets out to save her friends and put the Lords of Night back to sleep forever, all without the help of her shadow magic and time rope.

While dealing with dark revelations about her life and her world, Valkyrie Malin finds herself with new allies, and her quest for the truth leads her to places she never thought possible.

"After stumbling into a pet cemetery, Hecate meets Melinoe, who calls herself a ghost herder. She is in charge of leading the ghosts of pets and other animals to the River Styx in the Underworld. But Melinoe doesn't notice when one of her ghost animals follows Hecate home! More and more of the lost ghosts gather with Hecate, and she learns they have unfinished business left on Earth and refuse to enter the Underworld"--

When Captain Shang is mortally wounded by Shan Yu in battle, Mulan must travel to the Underworld, Diyu, in order to save him from certain death. But King Yama, the ruler of Diyu, is not willing to give Shang up easily. With the help of Shang's great lion guardian ShiShi, Mulan must traverse Diyu to find Shang's spirit, face harrowing obstacles, and leave by sunrise or become King Yama's prisoner forever.

Having stumbled upon his hidden powers, the young wizard Merlin voyages to the Otherworld in his quest to find himself and the way to the realm of the spirit.