A series of small paperback books, each describing the life and work of a single Western (mostly) philosopher
. All the ones I have seen were written by Paul Strathern
. They are published by Ivan R. Dee, Publisher, 1332 North Halsted Street, Chicago, IL 60622, USA.
The titles published so far are:
(each title is the name of the philosopher followed by 'in 90 Minutes').
As of the 1999 publication date of Schopenhauer in 90 Minutes, these volumes are 'in preparation':
J. S. Mill,
According to the back cover, Jim Holt of
The Wall Street Journal said the books in this series are
"Witty, illuminating, and blessedly concise".