Rain Man by Leonore Fleischer

A compelling tale of unexpected family bonds, the story follows Charlie Babbitt, a self-centered car dealer, who discovers that his estranged father has left his entire fortune to his older brother, Raymond, an autistic savant whom Charlie never knew existed. Driven by financial motives, Charlie embarks on a cross-country journey with Raymond, initially viewing him as a burden. However, as they travel together, Charlie's perception shifts, and he begins to appreciate Raymond's unique abilities and the profound connection they share, ultimately transforming his understanding of family and love.