Ellie's scientist grandfather has discovered a way to reverse aging, and consequently has turned into a teenager--which makes for complicated relationships when he moves in with Ellie and her mother, his daughter.

When thirteen-year-old Ellie's Grandpa Melvin, a world-renowned scientist in the body of a fourteen-year-old boy, comes for an extended visit, he teaches her that experimenting--and failing--is part of life.

As she turns twelve during the summer of 1953, Penny gains new insights into herself and her family while also learning a secret about her father's death.

When is a summer vacation not really a summer vacation? Sunny Lewin has been packed off to Florida to live with her grandfather for the summer. At first she thought Florida might be fun -- it is the home of Disney World, after all. But the place where Gramps lives is no amusement park. It's full of . . . old people. Really old people.Luckily, Sunny isn't the only kid around. She meets Buzz, a boy who is completely obsessed with comic books,...

"Sunny's just made it to middle school . . . and it's making her life very confusing. All her best friend Deb wants to talk about is fashion, boys, makeup, boys, and being cool. Sunny's not against any of these things, but she also doesn't understand why suddenly everything revolves around them. She's much more comfortable when she's in her basement, playing Dungeons & Dragons with a bunch of new friends. Because when you're swordfighting and spider-slaying,...