The International Fantasy Award was an annual literary award for the best science fiction or fantasy book and, in 1951-1953, the best non-fiction book of interest to science fiction and fantasy readers. The IFA was given by an international panel of prominent fans and professionals in 1951-1955 and then again in 1957. Winners 1951 Fiction: Earth Abides by George R. Stewart Non-fiction: The Conquest of Space by Willy Ley & Chesley Bonestell 1952 Fiction: Fancies and Goodnights by John Collier Non-fiction: The Exploration of Space by Arthur C. Clarke 1953 Fiction: City by Clifford D. Simak Non-fiction: Lands Beyond by L. Sprague de Camp & Willy Ley 1954 Fiction: More Than Human by Theodore Sturgeon 1955 Fiction: A Mirror for Observers by Edgar Pangborn 1957 Fiction: The Lord of the Rings by J. R. R. Tolkien External links Greg Pickersgill: The International Fantasy Award. Mark R. Kelly and Locus Publications: About the Awards – International Fantasy Award. International Fantasy Award Fantasy awards International Fantasy Award