Autographed Bob Knight Book

I have a autographed copy of Bob Knights book (The Power Of Negative Thinking) I read the book and i really liked it alot and think anyone who enjoys a good book would love to have this copy...Especially if you are a hoosier haha..I seen them online for 150 and the lowest was 129.99 im asking 60.00 which is a good deal seeing its signed by Mr Bob Knight himself...The book is in mint condition as if i got it yesterday