The First Key. Book 6

Ulisses Moore is alive... He has always been at the "Argo" villa, next to Jason and Julia. Rick found out about it by visiting Nestor's house, the old gardener. Meanwhile, the twins are trying to escape from the Middle Ages, where they got stuck with Olivia Newton and her lackey Manfred. And everyone wants the same thing: to find the First Key. Only it can open all the Doors of Time...