In an email to customers Thursday afternoon, Overdrive told library customers to expect a substantial increase in prices on the catalog of Hachette Book Group ebooks they make available for library purchase (approximately 3,500 titles released prior to April 2010) by what they said is an average of about 220 percent. (A separate post from the distributor cites sample increases for individual titles ranging from 50 percent to 150 percent.) Overdrive said libraries could purchase ebooks at the old, lower prices up until midnight September 30. What’s missing from many other reports–and the Overdrive letter–is that Hachette says they “had […]