Thor's hammer is missing again. The thunder god has a disturbing habit of misplacing his weapon - the mightiest force in the Nine Worlds. But this time the hammer isn't just lost; it has fallen into enemy hands. If Magnus Chase and his friends can't retrieve the hammer quickly, the mortal worlds will be defenseless against an onslaught of giants. Ragnarok will begin.

Magnus Chase has always been a troubled kid. Since his mother's mysterious death, he's lived alone on the streets of Boston, surviving by his wits. One day he's tracked down by an uncle he's never met - who tells him an impossible secret: Magnus is the son of a Norse god. The Viking myths are true. The gods of Asgard are preparing for war. Trolls, giants and worse monsters are stirring for doomsday. To prevent Ragnarok, Magnus must search the Nine Worlds for a weapon that has been lost for thousands of years.

Carter and Sadie Kane's dad is a brilliant Egyptologist with a secret plan that goes horribly wrong. An explosion shatters the ancient Rosetta stone and unleashes Set, the evil god of chaos. Set imprisons Dr Kane in a golden coffin and Carter and Sadie must run for their lives. To save their dad, they embark on a terrifying quest from Cairo to Paris to the American Southwest and discover the truth about their family’s connection to the House of Life: an Egyptian temple of magic that has existed for thousands of years.

The former God Apollo is having a pretty rough time of it. Well, for one thing, he's called Lester. But being an awkward mortal teenager is the least of his worries. Though he and his friends (some of them) have emerged from the Burning Maze, they still have a triumvirate to defeat, oracles to rescue and prophecies to decipher so that the world may be saved, and Lester can become Apollo once again. But right now, Caligula is sailing to San Francisco to deal with Camp Jupiter personally, and they have to get their first. Or risk its destruction.....

Penguin presents the audiobook edition of The Burning Maze by Rick Riordan, read by Robbie Daymond. I was a god once. Until I was cast out by my father, Zeus. Now I'm an awkward mortal teenager called Lester. My way out? A series of scary and dangerous trials, of course. For my third mission, I must: Journey through the Labyrinth to free an Oracle who speaks only in puzzles. Defeat a vicious and bloodthirsty Roman Emperor - the most vicious of three very vicious and bloodthirsty Roman Emperors. Is that all? No, I've to do everything without any of my godly powers. Wonderful. Looks like I'll be needing all the help I can get. From new friends and old....

The god Apollo, cast down to earth and trapped in the form of a gawky teenage boy as punishment, must set off on the second of his harrowing (and hilarious) trials. He and his companions seek the ancient oracles - restoring them is the only way for Apollo to reclaim his place on Mount Olympus - but this is easier said than done. Somewhere in the American Midwest is a haunted cave that may hold answers for Apollo in his quest to become a god again...if it doesn't kill him or drive him insane first.

After saving Olympus from the evil Titan lord, Kronos, Percy and friends have rebuilt their beloved Camp Half-Blood, where the next generation of demigods must now prepare for a chilling prophecy of their own.... In a brand-new series from blockbuster best-selling author Rick Riordan, fans return to the world of Camp Half-Blood. Here, a new group of heroes will inherit a quest. But to survive the journey, they'll need the help of some familiar demigods.

Carter and Sadie Kane, descendants of the magical House of Life, are in pretty big trouble. Despite their bravest efforts, Apophis, the giant snake of Chaos, is still threatening to plunge the world into eternal darkness. Now the Kanes must do something no magician has ever managed - defeat Apophis himself. No pressure there then. Battling against the forces of Chaos, their only hope is an ancient spell - but the magic has been lost for a millennia. Will they find the serpent’s shadow, or will they be led to their deaths?

Penguin presents the unabridged, downloadable audiobook edition of The Hidden Oracle: The Trials of Apollo, Book One, by Rick Riordan, read by Robbie Daymond. How do you punish an immortal? By making him human. After angering his father, Zeus, the god Apollo is cast down from Olympus. Weak and disorientated, he lands in New York City as a regular teenage boy.

Penguin presents, this downloadable, unabridged audiobook edition of the second title in this number one, bestselling spin-off series from Percy Jackson creator, Rick Riordan. This crazy messed up world of gods and monsters is Percy Jackson's reality, which pretty much sucks for him. Percy Jackson, son of Poseidon, God of the Sea, has woken from a very deep sleep and come face to face with two snake-haired ladies who refuse to die. But they're the least of his problems.

The explosive third part in Rick Riordan's number-one series - set in the world of Percy Jackson - now available as an unabridged audio download. One fatal prophecy. Seven brave demigods. A quest to find - and close - the door of death.

The fourth incredible adventure in the Percy Jackson series. "Honestly, blowing up another school was the last thing I wanted to do. As the son of a Greek god, I've had my share of near-death disaster. This summer, I didn't choose to battle the cheerleading squad, but when two hissing she-devils with fangs are heading straight for you, what's a half-blood meant to do?"

The fifth fantastic adventure in the Percy Jackson series is now available to download, complete and unabridged, on audio! The greatest monster of all, the storm giant Typhon, is on the loose, wreaking havoc and destruction across the U.S. - while Kronos's army lays siege to Manhattan. Soon Percy Jackson must make the hardest choice of his life - a choice that will save or destroy the world.

The stakes have never been higher. If Percy Jackson and Annabeth fail in their quest, there'll be hell on Earth. Literally. Wandering the deadly realm of Tartarus, every step leads them further into danger. And, if by some miracle they do make it to the Doors of Death, there's a legion of bloodthirsty monsters waiting for them. Meanwhile, Hazel and the crew of the Argo II have a choice: to stop a war or save their friends. Whichever road they take one thing is certain - in the Underworld, evil is inescapable.

Percy Jackson has had a quiet year. Not a single monster has set foot in his New York school. But when a game of dodgeball turns into a death match against an ugly gang of cannibal giants, things get . . . well, ugly. And then Percy's friend Annabeth brings more bad news: the magical borders that protect Camp Half-Blood have been poisoned, and the only safe haven for young demigods is under threat.