Quad/Graphics, Inc. and Courier Corporation jointly announced a definitive agreement by which Quad/Graphics will acquire Courier, a leading innovator in book manufacturing, publishing and content management. The acquisition accelerates Quad/Graphics’ three-year strategy to transform its book platform, which the Company announced earlier this week.   Under terms of the agreement, Quad/Graphics will acquire Courier in a transaction valued at approximately $260 million, including approximately $2...