"On a barren seafloor, the pearlfish swims into the safety of a sea cucumber's anus. To find a meal, the female bolas spider releases pheromones that mimic a female moth, luring male moths into her sticky lasso web. The Glyptapanteles wasp injects a caterpillar with her young, which feed on the victim, erupt out of it, then mind-control the poor (and somehow still living) schmuck into protecting them from predators. These are among the curious critters...

Olive, having recently suffered mental problems, is unsure whether to trust her instincts when a new student, rumored to have killed her parents, develops a parasitic relationship with Olive's former best friend, Jubilee Park High School's "Queen Bee." Olive, having recently suffered mental problems, takes her meds like a good girl. She is unsure whether to trust her instincts when Miranda, a new student-- rumored to have killed her parents-- develops...