Pioneers trickled into the areas of Rainbow, Fallbrook, and DeLuz in the mid-1800s, attracted by the mild climate and the promising soil, which rewarded their efforts with bountiful harvests of honey, olives, and fruit. Railways transported new settlers and commerce to the quiet countryside and shipped produce out, bringing prosperity to "the Friendly Village" and to the surrounding areas. Each of the towns, hidden by mountains and just far enough...