Colorado Under the Turquoise Sky booklet dated 1924 shows moderate signs of use and wear, especially along the spine, edges, and corners, with a few tears. Cover has mild discoloration and writing on the back cover. Interior has a few stains and a dog earred page. Colorado Vacation Tours booklet dated 1927 with standard signs of use and a stain on the cover. The Personally Conducted Independent All-Expense Tours to Colorado booklet dated 1929 includes a typed letter from the Rock Island Vacation Travel Service Bureau to a ticket agent for Boston & Maine Railroad in crisp condition. The booklet itself shows standard signs of use with curled edges, minor wear along the spine, and a small spot of discoloration on the back. See photos for best description.