A 3rd edition of Coalbed Methane: Principles and Practices has just been released. This 2007 publication features updates and additions by Halliburton's Ramurthy, Rodvelt and Mullen in a 40% expansion of the R.E. Rogers's text originally published by Prentice-Hall. Inclusions of the latest state-of-the-art field practices make the book a valuable reference for profitable coalbed methane operations. Multiple color illustrations.