Adventure Picture Book on Friendship

I need an engaging adventure story for preschoolers aged 3-5 that gently celebrates the value of friendship. The narrative should be playful, easy to read aloud, and paced for a 24-to-32-page picture book... (Budget: $250 - $750 USD, Jobs: Book Writing, Caricature & Cartoons, Content Writing, Creative Writing, Editing, Fiction, Illustration, Proofreading)