Thank you for your post!
I am sorry for the inconvenience. The codes with the books were broken and new codes had to be generated. You can request a new pin here: www.dummies.com/go/getaccess
Please let me know if you have any questions. have a great day!
I have gone ahead and generated a new code for you, in case the generator doesn't work: 648-GRE8-BGSB69