In this high-interest accessible novel for teen readers, Kai and his stepfather must stop an ancient predator before the tide turns.

Sean Rodman is the author of numerous books for young people, including One Last Job in the Orca Anchor line and The Bodyguard and Firewall in the Orca Soundings line. Sean is the executive director of Story Studio, a charity that inspires, educates and empowers youth to be great storytellers. He lives in Victoria, British Columbia.