The stunning conclusion of Tera Lynn Childs's Greek mythology-based Sweet Venom trilogy is perfect for teen fans of Rick Riordan's Percy Jackson series. The girls cannot hesitate as they seek the location of the lost door between the realms, even as monsters and the gods of Olympus descend on San Francisco in battle-ready droves. Greer must use her second sight to step up and prevent anything from stopping her sisters' mission, even...