ocr: Every entrepreneurial inventor should have a wide variety of books and magazines at his disposal. This private library allows you to gather data on basics of various markets, trends and technologies. Your magazines will be especially useful in keeping up - on the cutting edge 0 of almost any field. The book and magazine covers at left represent a cross section of my own in-house library. Click on each cover to go I toaspecific publication's data screen and find out vhy it 1s one of the types of books that I recommend that you have handy during your entrepreneurial efforts.