In the first of a number of book selections made to help those of you who wish to read more about the Korean War.
South to the Naktong, North to the Yalu by Roy Appleman.
This is the best book in dealing with the battles fought by the American Army in Korea between July and November 1950. Written in the years after the Korean War he was able to speak to many involved in fighting and planning those battle. It is available free on online. If wish to buy the book then it is published by the Centre of Military History, United States Army. The ISBN 0-16-035958-9.