Where Do Brothers Come From? Where Do Brothers Come From? A question a child might ask, but not a childish question. The book Where Do Brothers Come From? is an accurate telling, both emotionally and biologically, of the origin of “Brothers.” This candid novella takes an introspective look at what it means to be a child and then a brother and then an accomplice and then a co-defendant. Using actual experiences, real life brothers Mike and Dave Stangle attempt to definitively answer the question “Where Do Brothers Come From?” From absurd explorations like Canadian Aliens, to stark sexual awareness, Where Do Brothers Come From? is more than just a tome for XY siblings. This is the ultimate guide to growing up, loving, and understanding your brother. A must read for any living descendants of men and/or women, the book makes the perfect companion piece to the movie Mike and Dave Need Wedding Dates which opens in theaters July 8.