Vintage Grand Canyon books

1) Grand Canyon Wildflowers book by Arthur Philips photography by John Richardson copyright 1979 Grand Canyon Natural History Association, full color, paperback book, all pages intact with binding correct, 145 pages linen texture paper fading on cover as shown in photos and video. Inscription from previous owner, purchased used by me from a vintage bookstore 2) Grand Canyon Origin and Scenery Natural History booklet by John Maxon circa 1962 by the Grand Canyon natural history association 35 pages black and white. There are original owners stickers in the book (shown). as well as some writing (shown in the photos). All pages intact