[HISTORY OF SCIENCE]. A group of two modern firsts about the history of science, each signed by the author. Including: HERKEN, Gregg (b. 1947). Brotherhood of the Bomb. New York: Henry Holt, [2002]. First edition. 8vo. 14 pp. of black and white illustrations. Publisher?s black paper backstrip over turquoise boards, spine lettered in gilt (mild bumping to spine); original printed dust jacket (some light wrinkling to jacket). FIRST EDITION. SIGNED BY HERKEN ON THE TITLE-PAGE (?9 October 2002?). [Together with:] MAGUEIJO, Jo?o (b. 1967). Faster Than the Speed of Light. [Cambridge:] Perseus Publishing: [2002]. 8vo. Publisher?s full blue boards, spine lettered in gilt; original printed dust jacket (jacket mildly wrinkled, Harvard Book Store sticker (?Signed by the Author?) on the front jacket panel). FIRST AMERICAN EDITION, SIGNED BY MAGUEIJO ON THE HALF-TITLE (?29/1/03?). Herken is a historian and museum curator, specializing in the Cold War. Magueijo is a physicist, who lectures at Cambridge and Princeton.