1. World War I spies / by Goodman, Michael E. Publication: Mankato, Minn. : Creative Education, 2015 . 48 p. : 27 cm. Date:2015 Availability: Copies available: (1), Actions:
2. World War II spies / by Goodman, Michael E. Publication: Mankato, Minn. : Creative Education, 2015 . 48 p. : 27 cm. Date:2015 Availability: Copies available: (1), Actions: