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.

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.

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.

Penguin presents this downloadable audiobook edition, of the number one, bestselling title in this new spin-off series from Percy Jackson creator, Rick Riordan. Old Enemies awaken as Camp Half-Blood's new arrivals prepare for war. When Jason, Piper and Leo crash land at Camp Half-Blood, they have no idea what to expect. Apparently this is the only safe place for children of the Greek Gods - despite the monsters roaming the woods and demigods practising archery with flaming arrows and explosives.

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 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 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.....

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.

Penguin presents the audiobook edition of Magnus Chase and the Ship of the Dead by Rick Riordan, read by Michael Crouch. Loki the trickster god is free from his chains. Now he's readying Naglfar, the Ship of the Dead, armed with a host of giants and zombies, to sail against the Norse gods and begin the final battle of Ragnarok. It's up to Magnus Chase and his friends to stop Loki's plans, but to do so they will have to sail across the oceans of Midgard, Jotunheim and Niflheim in a desperate race to reach Naglfar before it's ready to sail on Midsummer's Day.

The battle for Camp Jupiter is over. New Rome is safe. Tarquin and his army of the undead have been defeated. Somehow Apollo has made it out alive, with a little bit of help from the Hunters of Artemis. But though the battle may have been won, the war is far from over. Now Apollo and Meg must get ready for the final - and, let's face it, probably fatal - adventure. They must face the last emperor, the terrifying Nero, and destroy him once and for all. Can Apollo find his godly form again? Will Meg be able to face up to her troubled past? Destiny awaits.... 

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.

Being the son of a Greek God, nothing in my life has been straightforward. Or monster-free. And it looks like that's not going to change anytime soon now that my arch enemy Luke wants to invade Camp Half-Blood via an ancient labyrinth.If he succeeds, thousands of bloodthirsty monsters will attack. So it's goodbye sunshine, hello darkness as four of us descend into the terrifying underground and beyond....

The unabridged, downloadable audiobook edition of The Kane Chronicles: The Throne of Fire, read by Joseph May and Jane Collingwood. Ever since the gods of Ancient Egypt were unleashed on the modern world, Carter Kane and his sister, Sadie, have been in big trouble. As descendants of the magical House of Life, they command certain powers.

Magic meets mythology in this explosive trilogy of short stories from Rick Riordan. When a mysterious magical disturbance draws magicians Carter and Sadie Kane to New York, they meet another pair of kids with abilities as incredible as their own: Percy Jackson and Annabeth Chase! And it's no coincidence that they've all been drawn to the Big Apple. A crazed sorcerer, Setne, is stirring up double trouble, unleashing dangerous creatures from both Greek and Egyptian myth.

My life could have been the same as an ordinary teenager. Except my dad is Poseidon, and I live in a camp full of half Gods and mythical creatures. So instead, my days are spent combatting half-lion half-humans and trying to live a somewhat normal life. But normalcy has just gone out the window. My friend Annabeth is missing, a Goddess is in chains, and only five of us can join the quest to save the day. Oh and guess what. The Oracle has predicted that not all of us will survive....