Blurring the lines between magic and science, award-winning author Megan Frazer Blakemore invites readers to search for the elusive Fountain of Youth. Ephraim Appledore-Smith is an ordinary boy living an ordinary life. But everything changes when his father has a stroke and his family moves back to their ancestral home, the Water Castle. There Ephraim meets Mallory Green and Will Wylie, whose families are tied to the Water Castle's powerful secrets...