All year the half-bloods have been preparing for battle against the Titans, knowing the odds of a victory are grim. Kronos's army is stronger than ever, and with every god and half-blood he recruits, the evil Titan's power only grows. While the Olympians struggle to contain the rampaging monster Typhon, Kronos begins his advance on New York City, where Mount Olympus stands virtually unguarded. Now it's up to Percy Jackson and an army of young demigods...

"Jack teams up with the evil King Wretch in order to convince his friends to stay with him instead of going in search of others who may have survived the monster apocalypse"--

"Five friends cursed. Five deadly fates. Five nights of retribución. Lupe Dávila and Javier Utierre must come together to solve a series of grisly murders sweeping through Puerto Rico, but the clues lead them out of the real world and into the realm of myths and legends. And if they want to catch the killer before the killer catches them, they'll have to step into the shadows to see what's lurking there--murderer, or monster?"--

When a goo monster crashes the science fair, the Princess in Black is on the job, and with the help of the Princess in Blankets, sets out to save the science fair.

A sixth grader stumbles upon a secret that threatens to turn schoolchildren everywhere into mindless automatons.

"Twelve-year-old haunt huntress apprentice Evangeline Clement spends her days and nights studying the ways of folk magic, honing her monster-hunting skills while pursuing local bayou banshees and Johnny revenants. With her animal familiar sure to make itself known any day now, the only thing left to do is prove to the council she has heart. Then she will finally be declared a true haunt huntress, worthy of following in the footsteps of her long line...

"After discovering the truth about how he lost his memories and Dr. Horizon's true identity, Hilo goes back to Earth and tries to prevent Razorwark from destroying the world--and everyone in it"

Young knight Charlie cannot find a single beast to slay, until she discovers there are monsters all around, and only she knows what to do to help her town of Little Import.

When the normally unseen sixth grader Hector discovers he can turn invisible, he learns that he is not the only invisible boy at his school and there are worse things than bullies lurking the halls.

Red Panda and Moon Bear are used to handling lost cats and bullies, but they will need some new friends to deal with ghosts, robots, and alien invaders.