I sold you a book titled "New England Grouse Shooting". I mailed it, but it was returned. Canada Post claims you have moved.

I sold you a book titled "New England Grouse Shooting".  

I mailed it, but it was returned. Canada Post claims you have moved. If you still want the book please contact me. I cannot find any record of our sales correspondence. 

I will wait to hear from you until November, then I will resell the book.