So you can save 15% not just on the book, but ANY book on their site if you use a promo code. There are other music books up there, quite a few that look very interesting.
Use coupon code SEPTSAVE305 at checkout and receive 15% off The Book of Chord Tones - Major 7 Chords or any other available title on Lulu.com.
The fine print (not mine, theirs) - Maximum savings with this promotion is $100. You can only use the code once per account, and you can't use this coupon in combination with other coupon codes. This great offer ends on September 2, 2011 at 11:59 PM.
The Book of Chord Tones - Major 7 Chords by Basso Ridiculoso in Arts & Photography