Even before there were books, the Jewish people were known as "the people of the book" so the advent of the printing press revolutionized Jewish scholarship more than any other technology in history. But in addition to the great body of Torah literature that the printing press made possible, the machine itself raised many halachic questions. Whether it is hilchos Shabbos or dealing with the massive sheimos problem in this age of word processors and copy machines, Rabbi Wein illustrates the evolution of Torah Law regarding one watershed invention.