Published by El Tovar Studio; copyrighted by Fred Harvey; undated, c1920; soft cover, with 18 hand colored plates, one from an original photograph by Karl Moon (Zoroaster from the River: foot of Bright Angel Trail).  Plates are tipped on to heavy, embossed paper, each illustration measuring 7 3/4" X 10".  Condition:  covers have very light soiling, minor, faint stains, minor bumps at corners, and front cover has small nick at bottom edge.  All views in VG condition.  11 1/4" X 14 1/4" overall size.  Included with the book is the original envelope.  It is in only fair condition, with tears, chips, soiling, stains.