Louis Sachar's book Holes, winner of the 1999 Newbery Medal, the National Book Award, and the Boston Globe-Horn Book Award, is also an ALA Best Book for Young Adults, an ALA Quick Pick, and an ALA Notable Book, and was made into a major motion picture.
Kyle Lukoff is a children's book author.
I just reread DOGS DON'T TELL JOKES, my favorite Louis Sachar book from when I was 10, and it's a truly brilliant piece of middle grade literature; that ending has always haunted me, and I'm still not sure I fully understand it.