C. J. S. Thompson 
Poison Romance and Poison Mysteries [EPUB ebook] 

Poisons have long been the weapon of choice of nefarious ne’er-do-wells seeking to inflict harm on others. In this gripping true-crime compendium, author C.J.S. Thompson offers a concise history of poison as an instrument of murder and serves up a number of detailed case studies of instances in which poisons were put to use in the service of evil.