<<Kendra Waters a girl on a trip to a summer camp gets tossed into a life she never wanted when she meets Arin. He says they're different, children of Celtic gods and goddesses who decided to meet up with humans. After finding out her godly parent, her mother has been kidnapped she is sent on a quest to ask for information from another goddess.>> Inspired by Percy Jackson.

<<Croix, Kendra, and Arin go on a mission to get Claudia Meridies, a daughter of Morrigan. After planning to use a portal to get back home, the portal is hijacked by Fomorians and they are sent on a journey to go back to camp. That is until after a wrong turn they enter a portal that leads them to the Causeway Of Giants>> Book 2 to Half-Blood Heroes: Eternal Rivers

<<Claudia, Kendra, Mark, and Arin agree to go on a quest looking for old scrolls. The scrolls were filled with research about Fomorian. The scrolls are hidden on the isolated island of Skellig Beag. After getting blown off course they meet the goddess Cliodhna and her daughter Lucian. Lucian joins them to Skellig Beag to retrieve the scrolls. However, Fomorians were already there, and in an accidental mix-up and an ally is revealed to be the enemy. They are furious but can't find the urge to kill them. Mark and Kendra find the scrolls and bring them back. Lucian goes to the camp with them while Zane reveals a little surprise he made>> Book 3 of Half-Blood Heroes.