Snapfish is offering a deal on photobooks through 9/22. Buy 1 photobook, Get 2 FREE. This is for the 20 page 8x11 photobooks (they can all be the same or 3 different ones- however, the cover type needs to be the same).
Just use coupon code: LOVE8X11 at checkout.
Prices on books range from $25-35 depending upon the style you select. Shipping is $6.99 and $3 for each additional book. So, you should be able to get 3 books for about $12.50 each - shipped.