Franz Wisner is an American author known for his memoir "Honeymoon with My Brother," which was published in the mid-2000s. The book tells the true story of how Wisner was left at the altar by his fiancée and then decided to go on his planned honeymoon trip with his brother instead. The trip turned into a two-year, 53-country adventure that led not only to self-discovery but also to a new bond between the brothers. Wisner's narrative is often praised for its humor and heartwarming insights into relationships, love, and finding happiness in unexpected places. Since the success of his memoir, he has written and contributed to other works, but "Honeymoon with My Brother" remains his most well-known book.