Wish You Were Here, Liza

Three girls, three trips, one amazing summer!
Liza Gold's biggest nightmare: a cross-country road trip with her parents and two other crazy families; visiting sights like the world's largest ketchup bottle; two whole months away from her best friends, Sam and Mina. And it's all coming true.
Liza is convinced that this will be the worst summer ever. But this is one trip that just might surprise her. . . .