Claim: Lee Child is an author.

James D. `` Jim '' Grant -LRB- born 29 October 1954 -RRB- , better known by his pen name Lee Child , is a British author who writes thriller novels . He is especially known for his Jack Reacher novel series . The books follow the adventures of a former American military policeman , Jack Reacher , who wanders the United States . His first novel , Killing Floor , won both the Anthony Award , and the Barry Award for Best First Novel .