"—And He Built a Crooked House—" (also published as "And He Built a Crooked House", "—And He Built a Crooked House—", '—And He Built a Crooked House—', '—And He Built a Crooked House', And He Built a Crooked House) is a science fiction short story by Robert A. Heinlein, first published in Astounding Science Fiction, February 1941.
