Jacka, Jerry D. The spirit of the Boulders : : a desert romance / [electronic resource] / concept and photography by Jerry Jacka ; text by Pam Hait.. — Carefree, Ariz. (P.O. Box 2090, Carefree, Ariz. 85377) : : Boulders,, c1988.. — 64 p. : : col. ill. ; 28 cm.