Here is one of my favorite sites that gave me a good boost with my herbal endeavors --You'll find LOTS of free resources: http://www.learningherbs.com One of their most recent freebie is a 58page book on Healing Herbs. You can receive this by signing up on their website. Thank you Gallagher family!!
Also, here a link to some helpful video lessons on YouTube: http://www.youtube.com/user/mountainroseherbs
And here's a peak at one of their simple home remedies to help with congestion: