I thought this article certainly makes one pause and think as well as being timely with the CASL e-book workshop coming up on May 12.

E-Book sellers screw over libraries
An e-book you can get on Amazon for $17.99 could cost your local library a stunning $105 – if the publisher is willing to sell to libraries at all.
http://www.ct.com/news/advocates/latest-news/nm-ht19nclibraries-20120501,0,2415754.story