The 38 page booklet funded by the Department of Energy and the State of Montana provides an excellent overview of all aspects CBM from the colification of peat, maturation of coal and the mechanism of methane adsorption to the details CBM development, completions, dewatering, production, produced water management and water quality. It includes tables comparing Powder River Basin CBM produced water quality to primary national drinking water standards and stock water standards and projection of CBM produced water volumes from the Powder River Basin. It finishes with a discussion of options for CBM produced treatment and disposal.