Can Percy Jackson and the Half-blood Heroes succeed on their quest to find The Doors of Death or will the Greek Gods of chaos win their battle to stop them? Percy and his fellow demi-gods face the most important quest of all - the Prophecy of Seva. Originally published: New York: Disney Hyperion, 2012

The penultimate book in the 'Heroes of Olympus' series. The stakes are higher than ever in this adventure that dives into the depths of Tartarus. At the conclusion of 'The Mark of Athena', Annabeth and Percy tumble into a pit leading straight to the Underworld. The other five demigods have to put aside their grief and follow Percy's instructions to

Look, I didn't want to be a half-blood. I never asked to be the son of a Greek god. I was just a normal kid, going to school, playing basketball, skateboarding. The usual. Until I accidentally vaporized my maths teacher. That's when things started really going wrong. Now I spend my time fighting with swords, battling monsters with my friends and generally trying to stay alive. This is the one where Zeus, God of the Sky, thinks I've stolen his lightning...

After blowing up yet another school, Percy is forced to flee to Camp Half Blood, where he finds all is not well. A dangerous enemy, intent on destroying the secret training camp for young demi-gods, has found a way in through an ancient labyrinth. Percy and his friends must unravel the mysteries of the maze to stop this attack. Originally published