I was reading about layered mafic intrusions today because I am bored. I am reading it out of a petrology textbook over 20 years old. I bought it because my more modern petrology textbook sucks. Blatt et al can go suck a rotten egg as far as I'm concerned. Best's first edition is better than Blatt et al's current offering.

James Lee Wilson's Carbonate Facies in Geologic History is a must for anyone who deals with carbonates on a regular basis, like I do. Carbonate Sediments and their Diagenesis by Robin Bathurst is also a must have.