In this fascinating collection of essays, one of the world's preeminent science fiction writers explores a wide range of science fiction and fantasy writers and writings. The contents and themes include a letter to Salvador Dali . . . Mary Shelley and Frankenstein . . . the Immanent Will and Olaf Stapledon . . . the work of Philip K. Dick . . . Theodore Hamilton Sturgeon . . . Orwell's Nineteen Eighty-Four . . . James Blish . . ...