To search for corrections to 2009 or later editions or Canadian editions, choose the Country, Course, and which book (Instruction, Student, or Test). Enter the Revision Code, which is the 4-digit code or the last four digits of the 8-digit code at the bottom of the last printed page in your book.
**This is the 4-digit code or the last four digits of the 8-digit code at the bottom of the last printed page in your book.
If you have a Comb-Bound Edition (copyright 2004 or older) or an International Edition, you will find any corrections or updates here.
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