Tags: Publisher.
Cassell & Co is a British book publishing house founded in 1848 by John Cassell (1817–1865). In December 1998 Cassell & Co was bought by the Orion Publishing Group. In January 2002 Cassell imprints including the Cassell Reference and Cassell Military were joined with the Weidenfeld imprints to form a new division under the name of Weidenfeld & Nicolson Ltd. Cassell Illustrated survives as an imprint of the Octopus Publishing Group.