Today (Thursday, August 5) and today only, Manning’s offering their SharePoint books, in both electronic and dead-tree form, at half price:
Just enter the promo code in the Promotional Code box when you check out at manning.com. I got an email saying the promo code is dotd0805ccb; Bil Simser reports that the site says the promo code is dotd0805. Try them both!
This article also appears in Global Nerdy.
The website lists the promotion code as dotd0805 not dotd0805ccb.
That was the code I got via email. I'll edit the article to have both.