When James accidentally drops some magic crystals by the old peach tree, strange things start to happen. The peach begins to grow, and before long, it's as big as a house.

At the start of their senior year of high school, Birdie, Murphy, and Leeda face unwelcome changes. Birdie's boyfriend Rex is in Mexico, Murphy wants to move to New York, and Leeda's mother ignores her. They find support in each other as they plan their futures.

Three teenaged girls from very different backgrounds, thrown together to pick peaches in a Georgia orchard, spend a summer in pursuit of the right boy, the truest of friends, and the perfect peach.

Polly misses her father, a soldier fighting in France during World War I, and at home everything is rationed; Polly wants to do her part to help, so she and her friends organize a parade to collect peach pits which are used in the manufacture of gas masks.

After the daring rescue of a spider, a young boy named James gains possession of some magic crocodile tongues. When James spills them in the garden, out sprouts an enormous peach! Climbing inside, he meets an astonishing cast of characters and embarks on a magical odyssey full of thrills and adventure.