David Day (b. 14 October 1947 in Victoria, British Columbia) is a Canadian author of over forty books: poetry, natural history, ecology, mythology, fantasy, and children's literature. Internationally he is most notably known for his literary criticism on J. R. R. Tolkien and his works. After finishing high school in Victoria, British Columbia, Day worked as a logger for five years on Vancouver Island before graduating from the University of Victoria. Subsequently he has travelled widely, most frequently to Greece and Britain. Day has published six books of poems for adults and ten illustrated children's books of fiction and poetry. His non-fiction books on natural history include The Doomsday Book of Animals, The Whale War, Eco Wars: a Layman Guide to the Environmental Movement, Noah's Choice and most recently Nevermore: A Book of Hours - Meditations on Extinction (2012). His Doomsday Book was a Time Magazine Book of the Year and became the basis for the 100 part animated-short TV series "Lost Animals of the 20th Century". David Days best-selling books on the life and works of JRR Tolkien include: A Tolkien Bestiary, Tolkien: the Illustrated Encyclopedia, Tolkien's Ring, The World of Tolkien and The Hobbit Companion. Day's Tolkien's Ring was illustrated by academy award-winning artist Alan Lee, as was Castles, The Animals Within, Gothic and Quest For King Arthur.