Nikon D3100 For Dummies: King, Julie Adair: 9781118004722: Amazon.com: Books
Amazon.com : Nikon D3100 Manual Focus High Power 1000mm Lens : Electronics
Amazon.com : Neewer Professional Vertical Battery Grip Replacement for Nikon D3100/D3200/D3300/D5300 SLR Digital Camera, Works with 1 or 2 Pieces EN-EL14 Batteries : Electronics
David Busch's Nikon D3100 Guide to Digital SLR Photography (David Busch's Digital Photography Guides): Busch, David D.: 0082039559117: Amazon.com: Books
Nikon D3100 Digital Field Guide: Thomas, J. Dennis: 9780470648650: Amazon.com: Books