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Thanks for getting in touch. I'm sorry you're having trouble with your book.
What you should do depends on where you bought the book. If you bought it directly from O'Reilly, we'd be happy to ship you a new copy. Please contact our customer service department at firstname.lastname@example.org or 800.998.9938.
If you bought the book somewhere else (from your local bookstore, say), please try returning it there first. If you have trouble getting them to give you a refund or replacement copy, then please get in touch with our customer service department.
All the best,
Associate Editor, Missing Manuals