I love this idea. I've been involved in so many projects and I know very well the ephermal feeling he describes. I wish I had a book like this for every lengthy project I've been a part of--it would just feel so much more gratifying than something that turns into a blurb on a resume and then eventually falls off.
Every project manager should make one of these for their teams, and themselves. For every project.
Some of my best bosses have done this in different ways and it's super inspiring. I know it's a ridiculous amount of work in and of itself but it's something that becomes absolutely priceless to those who were involved.
For those who are managing software teams, check out http://code.google.com/p/gource/ It does a stunning job visualizing your codebase being built based on git changelogs. Record it with fraps, add some background music and you have a music video you can watch of each major release. :)
Every project manager should make one of these for their teams, and themselves. For every project.