A Beginner’s Guide to Wire–framing
A Tuts+ tutorial
http://webdesign.tutsplus.com/articles/a-beginners-guide-to-wireframing–webdesign-7399
Ultimate Guide to Website Wireframing
By Cameron Chapman
http://sixrevisions.com/user-interface/website-wireframing/
Download the Guide to Wireframing
UXPIn
http://studio.uxpin.com/ebooks/guide-to-wireframing/?_ga=1.218430617.1074708782.1445823609