New York: St Martin's, (1982) dj. Hardcover first edition - "A spy thriller in the best English tradition." When Chief Superintendant David Cooper of Scotland Yard's Murder Squad is set to Cambridge to open the investigation into the murder of a visiting professor from Texas, the murder case quickly changes into a conspiracy that threatens thousands. 219 pp. ISBN: 0-312186401.

New York: Summit Books, (1990) dj. Hardcover first edition - The second mystery featuring children's book illustrator Calista Jacobs -in her hometown of Cambridge, Massachusetts, the author of children's books on evolution has been murdered, and together with her 13 year old son and a handsome archeologist, she sets out to investigate. 316 pp. ISBN: 0-671-684469.

New York: Summit Books, (1990) dj. Hardcover first edition - The second mystery featuring children's book illustrator Calista Jacobs -in her hometown of Cambridge, Massachusetts, the author of children's books on evolution has been murdered, and together with her 13 year old son and a handsome archeologist, she sets out to investigate. 316 pp. ISBN: 0-671-684469.

New York: Viking, (1995). Hardcover first edition - The eleventh suspense novel featuring Homer Kelly, Thoreau scholar, professor of American literature and ex-lieutenant detective for Middlesex County. It is Christmas in Cambridge, time for the annual revels. Illustrated by the author with line drawings.Author's afterword. 262 pp. ISBN: 0-670847100.

New York: Harper & Row, (1978) dj. SIGNED hardcover first edition - Langton's third mystery set at Harvard University in Cambridge, Massachusetts and featuring scholarly detective Homer Kelly, who happens to be on hand when someone bombs Memorial Hall during rehearsals for a Christmas performance of Handel's Messiah.. Illustrated with drawings by the author. SIGNED by Langton below the drawing facing the title page with "Kaboom!" printed above the illustration. First state with the 4 lines of garbled text on p. 11. 265 pp. plus a final drawing. Map endpapers. ISBN: 0-060125071.

New York: Doubleday, (2002.) dj. SIGNED hardcover first edition - SIGNED on the title page. The author's third novel, set in Cambridge, Massachusetts, New York City, in France. From the front flap: [this] 'brings readers into a world so real and beautifully drawn that one does not want the story to end. ..A chance meeting in a rainstorm becomes a defining moment of transforming emotion for graduate students Claire Marvel and Julian Rose, two people whose hearts have long been protected behind walls of wit, intelligence, and innate caution. Neither could imagine what lies in store for them: The unexpected unfolding over a dozen years of a great and difficult love.' Cover praise from Frank McCourt. 317 pp. ISBN: 0-38550344X.

New York: Doubleday, (2002.) dj. Hardcover first edition - The author's third novel, set in Cambridge, Massachusetts, New York City, and in France. From the front flap: [this] 'brings readers into a world so real and beautifully drawn that one does not want the story to end. ..A chance meeting in a rainstorm becomes a defining moment of transforming emotion for graduate students Claire Marvel and Julian Rose, two people whose hearts have long been protected behind walls of wit, intelligence, and innate caution. Neither could imagine what lies in store for them: The unexpected unfolding over a dozen years of a great and difficult love.' Cover praise from Frank McCourt. 317 pp. ISBN: 0-38550344X.

London: Orion, (2001) dj. Hardcover first edition - Canadian-born author's fifth mystery, featuring Laura Principal who left an academic life at Cambridge University for a career as an investigator. Ian Rankin called Prinicpal "one of contemporary crime fiction's most intriguing and satisfying sleuths." Like her protaganist, Spring lived and worked as an academic in Cambridge, so she knows the area well. In this novel she is asked to investigate a teenager, who just might be a boy who went missing 12 years ago. 302 pp. ISBN: 0-752824805.