Book Nook - The Water Door

 Imagine this: Preteens Jeremy and Joshua’s parents have been kidnapped! To pay the demanded ransom and rescue them, the boys must risk their lives by dissolving into the water of a secret hydro-portal on their grandparents’ farm. 

The Water Door sends them flowing through a wormhole in space to another planet where t
hey must find and bring back to Earth their family’s legendary heirloom—a giant blue diamond—before it’s too late!