On Professional Relationships

From Dilbert.com:

See also the spate of  poisonings in 1950's Australium:
Post-war days of thallium and old lace 
 Via NPR:

The elements of murder:A history of poison

And the lighthearted U.S. National Institutes of Health.
Their review begins:

John Emsley has written an entertaining book entitled The elements of murder: a history of poison.