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I’m disappointed

tried registering any and all of my 4 "missing Manuals" via their respective ISBN's. None worked!!!

2 people have
this problem
  • Please make sure you're entering only the 10 or 13 digits of the ISBN and not the label, "ISBN 10:" or "ISBN 13:." For example, if you want to register Mac OS X Leopard: The Missing Manual type in the numbers 9780596529529. I apologize that the graphic we show you on the registration page is confusing. I'll ask our web team to improve the instructions and accompanying graphic.

    And thanks for being a Missing Manual fan.
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