Minneapolis Simpkin, whose mother forbids her to have even a pet, finds and brings home a monster who proceeds to eat and eat and grow and grow.

In an old toy store near his great-aunt's home, twelve-year-old Evan buys a dusty can of Monster Blood he thinks will be fun to play with.

A young boy who spends most of his time alone in his bedroom makes new friends after the monster in his drawing becomes a monstrous nuisance.

Armed with the ability to tame and control the monstrous daeva, Tea enacts her revenge against the royals who wronged her, but she is hampered by her disapproving brother and pursued by enemies wishing to use her dark magic for themselves. Tea, a bone witch, has the power to take life...and return it. Her heart is set on vengeance, and she now possesses all she needs to command the mighty daeva. With the help of these terrifying beasts, she can finally...

Andy, Sam, Jessica, Meg, Marco, and Ray are trapped by Jonathan Chiller, who expects payment for the rare HorrorLand souvenirs they have taken by playing his deadly game.

"Long ago, the world was destroyed by gods. Only nine cities were spared. Separated by vast wilderness teeming with monsters and unimaginable dangers, each city is now ruled by a guardian--royalty who feed on mortal pleasure. Born with an intuition that never fails, Calista knows her talents are of great value to the power-hungry of the world, so she lives hidden as a courtesan of the Baron of Archwood. In exchange for his protection, she grants him...

A boy warns his new neighbors of the trouble that comes with building a monster, including having to move to a different town in hopes of escaping his creation.

Little Billy enters the Forest of Sin and meets the Minpins, matchstick-sized people who live in tree cities besieged by the Smoke-Belching Gruncher whom Billy vows to destroy.

When the goddess Artemis disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.