Lot of 4 books:

California Desert Wildflowers by Phillip Munz. TPB. 1985.owner signed inside cover

190 wild Flowers of the Southwest Desert in Natural Color. Colorful desert Wildflowers. California Arizona Owners signature. TPB.

Rocks and Minerals of California. By Vinson Brown 1964. Owners signature. TPB

The Californian Wildlife Region. By Vinson Brown. HB. 1957. Owners signature.