Need a copy of Photograde

Anybody know where I can buy a copy of Photograde for my 11 year old YN? A picture is worth a thousand words and I think Photograde would give him a good start on learning how to grade.
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Worry is the interest you pay on a debt you may not owe.
"Paper money eventually returns to its intrinsic value---zero."----Voltaire
"Everything you say should be true, but not everything true should be said."----Voltaire
Chris
My small collection
Want List:
'61 Topps Roy Campanella in PSA 5-7
Cardinal T206 cards
Adam Wainwright GU Jersey
<< <i>The pics in Photograde leave a lot to be desired. Suggest the ANA grading guide. >>
Great call