The site for Industrial Organization: a strategic approach by Church and Ware contains a free-to-download pdf version of the 1st edition of this book.
This is the companion website for Industrial Organization: competition, strategy, policy by Lipczynski, Wilson and Goddard.
This is the companion website for Industrial Organization: theory and practice by Waldmen and Jensen.
This is the companion website for Modern Industrial Organization by Carlton and Perloff.