When monster plants grow out of control, Batman and Batgirl race to rescue Poison Ivy from a . . . Blossom Battle! Will the heroes save the day? Find out in this action-packed chapter book for young readers.

What happened to the class hamster? Find out in this Edgar Award–winning mystery story with some “delightfully comic twists” (Kirkus Reviews). When Junior brings home the classroom hamster, Scooty, he decides to build the best hamster tunnel ever. But when Scooty goes missing, all evidence points to Mud. Meanwhile, Mad Mary is missing, too—although her bag and walking stick were found near the highway. When Mary later wakes up in the hospital, she realizes that the Blossoms might just have provided her with the strength she needs to pull her life back together. It’s anything but an ordinary weekend with the Blossoms! Perfect for young dog lovers, this Edgar Award–winning Blossom Family title is a mysterious and touching finale to the bestselling series by Newbery Medal-winning author Betsy Byars.

Batman and Batgirl have to rescue Poison Ivy when her experimental plant food turns regular plants into menacing monsters she cannot control.