| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1973 | 978-0-9701178-4-7 | Alexander Lowry · Claude Anthony Look | Castle Rock: West of Skyline |
| 1999 | 978-0-9701178-5-4 | Sempervirens Fund | Trail Map of the Santa Cruz Mountains #1 |
| '' | 978-0-9701178-6-1 | '' | Trail Map of the Santa Cruz Mountains #2 |