When demonic cheerleaders invade his high school, Percy Jackson hurries to Camp Half Blood, from whence he and his demigod friends set out on a quest through the Labyrinth, while the war between the Olympians and the evil Titan lord Kronos draws near.

In the Third Age, an age of prophecy when the world and time themselves hang in the balance, the Dark One, imprisoned by the Creator, is stirring in Shayol Ghul.

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...

Cordelia Clay loves the work she and her father do together: saving and healing the remarkable creatures around Boston at the end of the nineteenth century. Their home on Cedar Street is full to the brim with dragons, squelches, and diggles, and Cordelia loves every one of them. But their work must be kept a secret, others aren't welcoming to outsiders and immigrants, so what would the people of Boston do to the creatures they call 'monsters'? One...

Four short stories plus original art, interviews, puzzles, and games, reveal new insights into the world of Percy Jackson and the other heroes of Olympus.

"Soldier. Summoner. Saint. Alina Starkov's power has grown, but not without a price. She is the Sun Summoner--hunted across the True Sea, haunted by the lives she took on the Shadow Fold. But she and Mal can't outrun their enemies for long. The Darkling is more determined than ever to claim Alina's magic and use it to take the Ravkan throne. With nowhere else to turn, Alina enlists the help of an infamous privateer and sets out to lead the Grisha...

From the Publisher: Frankenstein: Using parts from corpses, Victor Frankenstein creates a large, man-like creature. Rejected and abused by humans, the creature takes revenge by committing murder. Frankenstein then pursues the creature, determined to kill him or die in the attempt. The Strange Case of Dr. Jekyll and Mr. Hyde: When Dr. Henry Jekyll begins to look ill and isolates himself from his friends, they fear for his life. A mysterious, evil man...

When the goddess Artemis goes missing, she is believed to have been kidnapped. And now it's up to Percy and his friends to find out what happened. Who is powerful enough to kidnap a goddess? They must find Artemis before the winter solstice, when her influence on the Olympian Council could swing an important vote on the war with the titans. Not only that, but first Percy will have to solve the mystery of a rare monster that Artemis was hunting when...