| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-9640810-2-4 | Bob Morse · Tom Aversa · Hal Opperman | Birds of the Puget Sound Region (Regional Bird Books) |
| 2004 | 978-0-9640810-4-8 | Harry Nehls · Tom Aversa · Hall Opperman | Birds of the Willamette Valley Region (Regional Bird Books) |
| 2006 | 978-0-9640810-5-5 | Kimball L. Garrett · Jon L. Dunn · Bob Morse | Birds of the Los Angeles Region (Regional Bird Books) |
| 2008 | 978-0-9640810-6-2 | Harry Nehls · Mike Denny · Dave Trochlell | Birds of the Inland Northwest and Northern Rockies |
| 2010 | 978-0-9640810-7-9 | Richard Cachor Taylor | Birds of Southeastern Arizona |
| 2012 | 978-0-9640810-8-6 | Kimball L. Garrett · Jon L. Dunn · Brian E. Small | Birds of Southern California |