from an ebrary press release:
August 8, 2012 - Palo Alto, CA, USA - ebrary®, a ProQuest business, today announced that Elsevier Science & Technology Books is adding over 1,000 titles to Academic Complete™, the industry's first and most scholarly subscription database of more than 78,000 e-books with unlimited, multi-user access. This marks the first time that these Elsevier titles, covering subjects such as mechanical engineering, chemical and process engineering, and civil engineering as well as environmental energy and alternative energy, have ever been available under a subscription model. The titles include classics of science publishing, including some of Elsevier's most respected backlist titles.
Elsevier Science & Technology Books now distributes over 12,500 e-books under all of ebrary's acquisition models including subscription, patron driven acquisition, short-term loan, and perpetual archive, supporting ebrary's new strategic approach to e-book acquisition.