6 Native American Reference Books, #1 ''A Collector's Identification and Value Guide To North American Indian Artifacts'' by Lar Hothem, 2nd Edition, Copyright 1980, pages 209-250 have separated from the spine, #2 ''A Collector's Identification and Value Guide North American Indian Artifacts'' by Lar Hothem, 4th Edition, Copyright 1992, #3 ''John Levi of Haskell'' by Frank W. McDonald, Copyright 1972, #4 ''History of the American Indians'' by James Adair, Copyright 1986, #5 ''Anasazi America'' by David E. Stuart, Copyright 2000, #6 ''Hopi Kachinas The Complete Guide to Collecting Kachina Dolls'' by Barton Wright, Copyright 1977, largest measures 9.5'' x 7''.