From supergee :
"This can be a quick one. Don't take too long to think about it. Fifteen books you've read that will always stick with you. First fifteen you can recall in no more than 15 minutes."
"A Touch of Strange" by Theodore Sturgeon.
"Norstrilia" by Cordwainer Smith.
"The Lion, the Witch and the Wardrobe," CS Lewis.
"The Voyage of the Dawntreader," CS Lewis.
"The Last Battle," CS Lewis.
"Little Lord Fauntleroy," Mrs. F.H. Burnett.
"Beautiful Joe's Paradise," Marshall Saunders.
"A Princess of Mars," Edgar Rice Burroughs.
"A History of God," Karen Armstrong.
"Creatures of Light and Darkness," Roger Zelazny.
"The Lord of the Rings Trilogy," JRR Tolkien.
"Declare," Tim Powers.
"Last Call," Tim Powers.
"Boy Kings and Girl Queens of England," (Author unknown; read as a child.)
"The Best of Cordwainer Smith," Cordwainer Smith (particularly The Game of Rat and Dragon and The Dead Lady of Clown Town.)