<A target="_blank" href="http://www.packtpub.com/article/new-packt-ibm-lotus-cognos-book-books-releases">Packt Publishing is having a sale on IBM books this month</A>. You can get 20 percent off one print book, 25 percent off if you buy three or more, and if you buy e-books, you can get a 30 percent discount.