errata -
Adams, James, The New Spies: Exploring the Frontiers of Espionage (1994) was cited in PLAGUE WARS, not in Ayman’s memo to Atef requesting books.
Ayman himself wrote the book(let) on espionage — titled “Covert Operations.”
The list of publications above, as corrected, is downloadable (for free) at
J.B. Petro, and D.A Relman, “Understanding Threats to Scientific Openness, SCIENCE, December 12, 2003
http://www.sciencemag.org/cgi/content/full/sci;302/5652/1898/DC1