The photos numbered at the bottom right side of each shot correspond to the footnotes of the book pages that help describe the hitchhiking journey. The potos page numbers and photo tittles are indexed in the back of the book. All photos are protected and may not be dublicated. For the best quality enlargements on high-gloss surfaced alumium, from the owners Kodiacrome slides, contact Brad Perkins place an order for picture up to 2ft by 3ft. in size. The light durable pictures will be autographed on the back by the author/phtographer. Please go to the contact page and fill out the form, the email will I will go to perkins@cascadiahighspeedrail.com I will reply to your questions or concerns. Thank you, Brad.