Lulu.com like any on demand printer have a lot of clients and print a lot of stuff. Occasionally something goes wrong with the printing.
Pages smear, or get blurry, sometimes they slip in the automatic devices that cut and put together the pages. In short, occasionally things go wrong.
If this happens to a book you have ordered from Lulu get in touch with them through their support pages, and take photos of what is wrong. They will send you a new copy, without the error, and often expedite the shipping too!
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