Dog’s Best Friend (Middle School, Book 8) by James Patterson is a humorous middle-grade novel about Rafe Khatchadorian, who starts a dog-walking business to earn money after realizing his family is struggling financially. Things get complicated when rival twins try to steal his customers, turning his business into a neighborhood “dog war.”
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Rafe starts a dog-walking business to make money for his family, but rival kids try to take it over, leading to chaos and funny middle-school drama.