1557421390 SHOW MOOCHABLE + ? RELATED SEARCHES > ADVANCED SEARCH > SHOW COVERS + ASIN Copies Sheldon Jaffery Double Futures: An Annotated Bibliography of the Ace Science Fiction Doubles (Borgo Literary Guides, No. 9) 0 Search BookMooch for a book: SEARCH BOOKMOOCH > Search Amazon for a book: amazon.co.uk amazon.de amazon.es amazon.fr amazon.it amazon.cn SEARCH AMAZON >