I just finished reading this one. I do recommend it for the early-life nuts among us. It's chock full of eye candy, diagrams and info on everything Precambrian, not just Ediacaran though that is the focus, and into the Cambrian as well. State of the art as of 2007.. I'd like to see an updated edition if there ever is one.
There is an introductory section covering everything from the universe and the origin of Earth and of life, early macroscopic fossils, the Snowball Earth and so on, then gets into the meat of the different sites (major and minor) bearing Ediacaran fossils including some