I thought that you could post any puzzle as long as you gave proper credit as to it's source.
Apology
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Wrong to post puzzles from a book or wrong to post puzzles with mistakes in them?
In the US you can reproduce, send electronically, etc., copyrighted material only with the permission of the publisher/author. Check out the first few pages of any of your chess books and look under the copyright info.
I put some puzzles in from the little book of chess(great chess book) I didn't know that it was wrong and it was a mistake.I won't do it again.Thank you.