I like this book, it explains PLM well. It needed to be written. A lot had been said about PLM, but nothing authoritative put on paper. But its a long book with over 400 pages and for me it would have been even better with some clear break points. So let me propose some break points for you when you're reading it.
I propose you read it in three parts. The first part would be Chapters 1 to 6, Chapter 9 and Chapters 31 and 32 which would be about about 120 pages long. These chapters make a great introduction, description and justification of PLM. As the title has it, PLM is a new paradigm. These chapters cover the PLM paradigm, which makes sense, but because it is different from the previous view, has a lot of description and examples. This is useful to anyone involved with PLM. Its excellent, innovative and visionary.
Part 2 is the Chapters from 10 to 21. That's about 100 pages of description of how to prepare for PLM. They cover a lot of ground. The end result from these chapters is the PLM plan. They start from not having a PLM solution or strategy, just the need to do PLM. They'd be useful to anyone developing a PLM strategy/plan. Very good to read, and would help you run a company's PLM initiative.
Part 3 for me is the 150 pages or so starting with Chapter 22 and going up to Chapter 30 with a description of how to implement a component of PLM. The implementation of PDM is described. This is life in the trenches compared to Part 2 strategizing. Specific to PDM, but a lot such as financial justification would be similar for other components. Good for the PDM trenches.
Overall, a book I recommend.