David Busch's Compact Field Guide for the Nikon D810 (David Busch's Digital Photography Guides): Busch, David D.: 9781305582408: Amazon.com: Books
Mastering the Nikon D810 (The Mastering Camera Guide Series): Young, Darrell: 9781937538606: Amazon.com: Books
Amazon.com : Nikon D810 Manual Focus High Power 1000mm Lens : Electronics
Amazon.com: Nikon D810 Experience - The Still Photography Guide to Operation and Image Creation with the Nikon D810 eBook : Klostermann, Douglas, Klostermann, Douglas: Books