Making money online through Adsense and other ad networks

I got this email today from Joel Comm and he has a special link for a $50 discount on his ebook called "What Google Never Told you about making money with adsense".

Its not an affiliate link.   If some of you are thinking of buying this over the past few days,  this can surely help you save money.

Quote:

You've got less than 24 hours to take advantage
of me, because I'm doing something that I have 
NEVER done before!

I want to get my best-selling ebook, "What Google
Never Told You About Making Money with AdSense: 3rd 
Edition" into your hands today.  I am so
confident that the information in the ebook can
change your life and revolutionize your online
business, that I am presenting you with a no-brainer
offer that you won't want to refuse!

I'm going to have a 24-hour sale and give you $50
OFF the retail price!

http://www.adsense-secrets.com/bigsale.html