David Storr Unwin, 91, who wrote children's novels as David Severn, died February 11, 2010 in London. Unwin, the son of publisher Sir Stanley Unwin, was born in London on March 12, 1918. He published over 30 children's books in the UK, some with SF and fantasy elements, including Dream Gold (1949), Drumbeats! (1953), and The Future Took Us (1957). His final children's book, The Wishing Bone, appeared in 1977. He also wrote two books for adults under his own name. His final book was autobiography Fifty Years With Father (1982).