Actaully it is by Chris White (of White yeast labs) and Jamil Zainasheff This brings the yeast end of things, as that is Chris Whites buisiness together with the brewing end of things - more Zainasheff's area of expertise. (this is not a dig against either, just saying that the other knows more about a specific area).
The book is good and enlightening. It also makes reference that it is for from homebrewers up to craft brewers. So some bits get a bit esoteric for the average homebrewer.