New York: Mysterious Press, (1994.). First edition - The second in the botanical mystery series featuring microbiologist Claire Sharples, a 'prickly sharp-witted sleuth' transplanted from Boston to California's Central Valley. Notable for their intelligence and wit and for the careful detail to the scientific facts and the environment inwhich they are set, this wonderful series was cut short by the author's early death in 1998. 293 pp.