Grammar Girl Quick and Dirty Tips for Better Writing
Follow along with the articles on the website: http://j.mp/QDTgrammar
Recommended book: The Grammar Devotional
Sponsors:
http://mackweldon.com (20% off with the promo code "grammar")
http://thirdlove.com/grammar (30 day free trial)
En liten tjänst av I'm With Friends. Finns även på engelska.