Yestermorrow Publishers, 1979. The Thunderbird Edition. An exact reprint of the first edition, handsomely bound in dark blue pigskin leatherette with silver cover decoration. Printed exclusively for Berrybooks with the cooperation of the Zane Grey Corporation and Dr. Loren Grey, the author's son. A NUMBERED, limited edition – 170 of 500 copies. Official tipped in individual bookplates hand signed by both Dr Loren Grey “Son of Zane Grey” and Betty Zane Grosso “Daughterof Zane Grey”. Like new condition. Illustrated endpages. Other stories included :Maber’s Mirage; On Location; John Silver’s Revenge; Fantoms of Peace; and, Loose Bridles. 249 pages.