* Discount code ARTICLE confers a 35% discount off the list price of eligible products. Eligible products include most print books, eBooks, Web Editions, full-course video titles, and software DVDs or downloads. Discount is not valid on book + eBook bundles, eBook Deal of the Day or Video Deal of the Week featured titles, Safari Books Online, Rough Cuts, individual video lessons, non-discountable titles, or titles on promotion with our retail partners. Discount code may not be combined with any other offer and is not redeemable for cash. Discount offer expires December 31, 2018. Offer subject to change.