All aboard the airship Atet and full steam towards the ancient pyramids of Giza in the second hugely inventive, action-packed, fun and quirky - and occasionally dark - adventure in the Prometheus High series A frantic rooftop race. Alchemy lessons on a zeppelin. A booby-trapped pyramid . . . Just the start of semester two at Prometheus High. Athena and Marceline are going to extreme lengths to unearth Marceline's past - if their foolhardy plans don't get them expelled. Godfrey's lonely without his friends, so when Emily asks him for a favour he's eager to help. But is her request all that it seems? Meanwhile, no one has noticed the threat growing on the airship Atet, as an ancient monster of unsurpassed power and fury is about to awaken . . .