BILLION-DOLLAR BRAIN. London: Jonathan Cape, . Octavo, boards. First British edition. The author's fourth spy novel, this one also featuring his agent without a name. A 1967 film starring Michael Caine was based on this novel. Jay Pederson, St. James Guide to Crime and Mystery Writers, pp. 288-91. Smith and White, Cloak and Dagger Fiction (3rd ed.) 1581. Small stain to right middle page edge to first few pages, a very good copy in a very good dust jacket with shelf wear at spine ends and corners with some scratches silver foil areas of jacket. (#140404).