The Golden Fleece

The first part of an exciting fantasy series about time travel for teenagers!
Becca and Joe know little about their uncle: Percy is an oddball and an inventor. However, the children could never have guessed that he is a time traveler. Uncle keeps an important artifact, the disk of Theseus, which is being hunted. Percy, Becca, and Joe must embark on a desperate race against time across the lands of Ancient Greece to outrun thieves and find the legendary Golden Fleece.
Will appeal to lovers of history and myths, fans of Percy Jackson, Skandar, and Doctor Who.