i wonder why he (presumably) did not think "dealers of lightning" was a good book. not read "the dream machine" yet, but i thought "dealers of lightning" was a great look at the history of xerox parc.
Superb book, recommended reading for those managing engineering teams as you will learn a great deal about the culture at Xerox Parc, and what made it so successful (peer review was a huge part of it, or as they called it "beat the dealer"): http://amzn.to/2nLvMFO
recommended reading for engineers too; I found it very inspiring in a "makes you feel like building things" sense.