When Nic, a slave in the mines outside of Rome, is forced to enter a sealed cavern containing the lost treasures of Julius Caesar, he finds much more than gold and gemstones: He discovers an ancient bulla, an amulet that belonged to the great Caesar and is filled with a magic once reserved for the Gods - magic some Romans would kill for.

week ago, 13-year-old Jack McKinley was a normal kid leading a normal life - totally unaware that he was about to die. He's cursed with a genetic abnormality that's giving him amazing powers too quickly for his body to handle. Jack's only hope: Find the seven lost Loculi that were hidden in the Seven Wonders of the Ancient World by the last prince of Atlantis. Only they contain the magic to save him - and the world.

Thirteen-year-old Jack McKinley has fought impossible odds to save himself, his friends, and the world. Having already defeated the Colossus of Rhodes, hunted through Ancient Babylon, and outfoxed legions of undead, the Select have recovered three of the lost Loculi hidden in the Seven Wonders of the Ancient World, only to lose one of them in order to save a life. They must now find a way to undo what has been done, to save themselves from the power that will overwhelm them - and destroy the world.

Jack McKinley and his friends defeated the Colossus of Rhodes, unearthed the treasures of the Hanging Gardens of Babylon, and recovered two of the seven lost Loculi - only to find they'd been betrayed. With Babylon in ruins, Marco on the Massa side, and ancient secrets coming unraveled, the Select don't know who to trust or where to turn. Their G7W powers are growing at a furious pace, their worlds have been turned upside down, and the Massa are hot on their heels. But Jack, Aly, and Cass have no choice but to fight on.

Seven kids, Thor's hammer, and a whole lot of Valkyries are the only things standing against the end of the world. When thirteen-year-old Matt Thorsen, a modern day descendant of the Norse god Thor, was chosen to represent Thor in an epic battle to prevent the apocalypse he thought he knew how things would play out. Gather the descendants standing in for gods like Loki and Odin, defeat a giant serpent, and save the world. No problem, right?

Will Wilder is a mischievous, headstrong 12-year-old with an otherworldly gift - he alone can see the nefarious creatures encroaching on Perilous Falls. For nearly a century, a sacred relic has protected his hometown from the raging waters surrounding it. But when Will "borrows" the relic for his own purposes, he accidentally unleashes an ancient evil. As boats sink and hideous creatures crawl from the rising waters, Will must set things right before it is too late.

Zane Obispo spends every day exploring the sleeping volcano in his backyard. "The Beast", as he calls it, is the one place where he can escape other kids, who make fun of him because he has a limp and walks with a cane. After a plane crashes into The Beast, a mysterious girl named Brooks shows up at Zane's doorstep, insisting that they meet at the volcano, where she will reveal a terrible secret. Zane agrees. Brooks tells him that the volcano is actually a centuries-old prison for the Mayan god of death, whose destiny is directly tied to Zane's.

Thirteen-year-olds Matt, Laurie, and Fen have beaten near-impossible odds to assemble their fellow descendants of the Norse Gods and complete epic quests. Their biggest challenge lies ahead: battling the fierce monsters working to bring about the apocalypse. But when they learn that Matt must fight the Midgard Serpent alone and Fen and Laurie are pulled in other directions, the friends realize they can't take every step of this journey together.

The Magnus Chase and the Gods of Asgard trilogy may have concluded, but we haven't heard the last of our favorite peeps from the Nine Worlds. Join Hearthstone, Blitzen, Samirah, Alex, Jack, T.J., Mallory, Halfborn, and more on a hilarious and unforgettable journey through Rick Riordan's unique take on Norse mythology. While Magnus is off visiting his cousin, Annabeth, his friends find themselves in some sticky, hairy, and smelly situations as they try to outwit moronic giants, murderous creatures, and meddlesome gods. Can they stave off Ragnarok at least until Magnus gets back? 

The formerly glorious god Apollo, cast down to earth in punishment by Zeus, is now an awkward mortal teenager named Lester Papadopoulos. In order to regain his place on Mount Olympus, Lester must restore five Oracles that have gone dark. But he has to achieve this impossible task without having any godly powers and while being duty-bound to a confounding young daughter of Demeter named Meg. Thanks a lot, Dad. With the help of some demigod friends, Lester managed to survive his first two trials, one at Camp Half-Blood, and one in Indianapolis, where Meg received the Dark Prophecy.