1. 01. English Non Fiction The mystery of UFOs / by Oxlade, Chris. Publication: Des Plaines, Ill. : Heinemann Library, 1999 . 32 p. : 27 cm. Date:1999 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Mysteries of UFOs / by Walker, Kathryn, Publication: New York, NY : Crabtree Pub., 2009 . 32 p. : , Rev. ed. of: The mysteries of UFOs / Brian Innes. Austin, Tex. : Raintree Steck-Vaughn, c1999. 27 cm. Date:2009 Availability: Copies available: (1), Actions: