Line across cover

My group and I received our proof copy with great excitement; it being the result of our first publishing experience ever! But something we noticed almost immediately is the thin gray line that runs across the middle of the front cover all the way around over the back.
Know how to order a copy without that?
Thanks!
Know how to order a copy without that?
Thanks!
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Comments
http://www.lulu.com/support
But it is unusual, are you sure that line does not exist on the original? Print the artwork out on your own printer and take a look.
http://www.lulu.com/spotlight/kevinlomas
Thanks for the info! I'll try Support.
http://www.lulu.com/spotlight/kevinlomas
http://www.lulu.com/shop/li-jung-yuen/kung-fu-scholar-methods-internal-strikes-in-100-days/paperback/product-23908600.html
Reflections of a Christian Kung Fu Master