Corydon and the Siege of Troy by Tobias Druitt
Since the disastrous fall of Atlantis, Corydon and the monsters have gone their separate ways, each licking their wounds from their inability to save the legendary city. But now Troy is under siege by the heroes and Corydon's friend, Sikandar, Prince of Troy, appeals to him for help. With the two gorgons and the Minotaur within the city walls, they come up with a plan to fight back against the Olympians. But the Olympians' leader, Akhilleus, is more than a match for the monsters - and he's prepared to sacrifice everything to win this battle...