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 on a mission to unearth Marceline's past - if their foolhardy plans don't get them expelled or killed. Godfrey's lonely without his friends, so when Emily needs a favour he's eager to help. But is her request all that it seems? Meanwhile, on the airship Atet , an ancient monster of unsurpassed power and fury is about to awaken . . .
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