What are the first books in the Harry Bosch series?

The first four novels in Michael Connelly's Harry Bosch series are 1992's "The Black Echo," 1993's "The Black Ice," 1994's "The Concrete Blonde," and 1995's "The Last Coyote." "The Black Echo" introduces Harry Bosch as a Los Angeles police detective working in the robbery-homicide unit.

The Harry Bosch series follows Bosch's adventures as a detective and pairs him with different partners such as fellow LAPD detectives Kizmin Rider and Jerry Edgar. As of December 2015, there are officially 18 novels in the Harry Bosch series; the character has also made appearances in five novels in Michael Connelly's Mickey Haller series.