For those who’s ever wanted to make a granny-squares blanket, and for myself to retain the links:
1. An in-depth explanation of how to make granny squares
http://www.littletinbird.co.uk/free-crochet-tutorials/basic-granny-square-pattern/
2. Sizing for blankets, and number of granny squares needed
http://www.planetshoup.com/easy/tips/afghsize.shtml