Goodreads.com provides a list of the Joe Pike books in chronological order of publication. The books are "The Watchman," "The First Rule," "The Sentry," "Taken" and "The Promise."
The Joe Pike series was originally part of the Elvis Cole/Joe Pike series, in which the two characters were partners in a private eye business. The author's website, RobertCrais.com, lists the complete series in order of publication.
The enigmatic Joe Pike is a favorite character of Robert Crais' fans, according to The Thrilling Detective Web Site. A strong, silent type who keeps his eyes behind shades and identifies himself as a mercenary, the ex-Marine becomes known to readers as a complex person hiding the pain from past trauma and desiring to serve and protect.