The Sour Grape holds grudges for every reason under the sun。 Lime never returned a scarf they borrowed？ Grudge！ Orange never called back？ Grudge！ But when a friend holds a grudge against the Sour Grape without listening to an explanation， the Sour Grape realizes how unfair grudges can be。 Could a bunch of forgiveness and compassion be enough to turn a sour grape sweet？

Jory John and Pete Oswald serve up another heaping plate of laughs and lessons with this empowering， witty， and charming addition to their #1 New York Times bestselling series！