Dr. Robert G. Cooper is a leading authority on innovation and new product development, best known for pioneering the Stage-Gate idea-to-launch process now used by most major corporations. He has spent decades researching thousands of product initiatives, shaping global innovation practices. A widely sought-after speaker and consultant, he has authored more than 100 academic articles and eleven books, including Winning at New Products. He is Professor Emeritus at McMaster University and a Distinguished Fellow at Penn State University.
fairly basic high level overview of what a company should do for NPI and portfolio management. There isn't really a lot of meat to this book but if you want an overview, this is as good a book as any.