When the Kindle contract for one of the country’s largest book distributors, the Independent Publishers Group, came up for renewal, Amazon saw a chance to gain some ground at I.P.G.’s expense.

“They decided they wanted me to change my terms,” said Mark Suchomel, president of the Chicago-based I.P.G. “It wasn’t reasonable. There’s only so far we can go.”

With each side unwilling to yield, Amazon pulled the plug, and all of I.P.G.’s books for Kindle disappeared.

via Amazon Pulls Thousands of E-Books in Dispute – NYTimes.com.

Now I feel really guilty for shopping Amazon.