Modesty Blaise #05: Spionskolen

Blurb

The Impossible Virgin is the title of the fifth novel chronicling the adventures of crime lord-turned-secret agent Modesty Blaise. The novel was published in 1971 and was written by Peter O'Donnell, who had created the character for a comic strip in the early 1960s. The book was first published in the United Kingdom by Souvenir Press.
The "Impossible Virgin" of the book's title refers to the name given by the local natives to a special geographic formation encountered during the adventure.