Rabbi Friedman authored a sefer, and as is common practice, put out a pile of ten of his seforim on a table in the lobby of a shul, with a money box next to the seforim and a handwritten sign saying “£9 a sefer.” Mr. S. Alec passed by shortly after, and having had a quick look at the seforim, came up with an idea. He took out a pen and crossed out the words “£9 a sefer,” and changed it to read “£10 a sefer.” He then stood back and waited. Over the next half hour, nine other people passed by, viewed the offer, placed £10 each into the money box and took for themselves a sefer. Mr Alec then took the last sefer for himself without paying.