Normally when you turn 16 you get a really cool present. But, being sixteen and the son of Poseidon can never be that simple. So instead, I get a prophecy that says the fate of the entire world on my shoulders. Great. On top of that, Kronos, Lord of the Titans, is attacking New York City and the dreaded monster Typhon is heading our way. So, it's me and forty of my demi-god friends versus untold evil. Happy birthday to me!

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.

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.

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.

Elliot's mum is ill and his home is under threat, but a shooting star crashes to earth and changes his life forever. The star is Virgo - a young Zodiac goddess on a mission. But the pair accidentally release Thanatos, a wicked death daemon imprisoned beneath Stonehenge, and must then turn to the old Olympian gods for help. After centuries of cushy retirement on earth, are Zeus and his crew up to the task of saving the world - and solving Elliot's problems too?

Ana Dakkar is a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators and underwater explorers in the world. Ana's parents died while on a scientific expedition two years ago, and the only family's she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class' weekend trial at sea, the details of which have been kept secret. She only hopes she has what it'll take to succeed. 

When Eragon finds a polished stone in the forest, he thinks it is the lucky discovery of a poor farm boy; perhaps it will buy his family meat for the winter. But when the stone brings a dragon hatchling, Eragon soon realizes he has stumbled upon a legacy nearly as old as the Empire itself. Overnight, his simple life is shattered, and he is thrust into a perilous new world of destiny, magic and power.

Emmy Award-winning actress Tatiana Maslany narrates a brand-new special edition recording of the first audiobook in the worldwide best-selling trilogy from Suzanne Collins! In the ruins of a place once known as North America lies the nation of Panem, a shining Capitol surrounded by 12 outlying districts. The Capitol keeps the districts in line by forcing them all to send one boy and one girl between the ages of 12 and 18 to participate in the annual Hunger Games, a fight to the death on live TV.

Twelve-year-old villain, Artemis Fowl, is the most ingenious criminal mastermind in history. His bold and daring plan is to hold a leprechaun to ransom. But he’s taking on more than he bargained for when he kidnaps Captain Holly Short of the LEPrecon (Lower Elements Police Reconnaissance Unit). For a start, leprechaun technology is more advanced than our own. Add to that the fact that Holly is a true heroine and that her senior officer Commander Root will stop at nothing to get her back and you’ve got the mother of all sieges brewing!

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin!

Listeners first encountered Tobias Eaton as "Four" in Divergent. His voice is an integral part of Allegiant. Listeners will find more of this charismatic character's backstory told from his own perspective in Four: A Divergent Collection. When heard together, these long narrative pieces illuminate the defining moments in Tobias Eaton's life.

Billy Smith is having a rough first day of high school. The new kid at exclusive Francis Drake Prep, Billy embarrasses himself in front of fiery, beautiful Lexi Aquino. He makes an instant enemy in Kurt Novac, the school's surly star quarterback. Then suddenly Billy, Lexi, and Kurt are mysteriously transported to an underworld teeming with goblins, strange animal hybrids, and powerful magic; the fact that they're stuck there is probably Billy's fault, too.

Darkus is miserable. His dad has disappeared, and now he is living next door to the most disgusting neighbours ever. A giant beetle called Baxter comes to his rescue. But can the two solve the mystery of his dad's disappearance, especially when links emerge to cruel Lucretia Cutter and her penchant for beetle jewellery? A coffee-mug mountain, home to a million insects, could provide the answer - if Darkus and Baxter are brave enough to find it.

What would you do if an odd girl in a cloak told you, "You know you're a descendant of King Arthur's knight, Lancelot, right?" You'd probably do the same thing 14-year-old New Yorker Simon Sharp does. Back away nice and slow. But Simon learns the truth when he's kidnapped by a drunk troll, rescued by a 7 foot man named Merlin, and thrown into training with 149 other heirs of the Knights of the Round Table.

One the twins is simply not having it. St Clare's is beneath them, and they're determined to cause a stir. But life at St Clare's is not as easy as they thought. They have several surprises and arguments before they admit their troubles are of their own making and settle down to make friends. Expect mischief at St Clare's!