A business book explaining a new management approach that creates value with customers. - Title: Co-Innovation: New Strategies for Value Creation - Authors: C.K. Prahalad, Venkat Ramaswamy - Publication Date: August 1, 2013 - Price: 2400 yen (excluding tax) - Publisher: Toyo Keizai Inc. Thank you for viewing. There appears to be no stains, but please check the photos.