Unique ideas always win hearts and same is in the case of using these Indoor Magnets 30 Mil Round Corners for promotions. In order to promote a new book in your stores you can add a short summary of the story into these custom rectangle magnets along with book name and the image of its cover. It will be awesome if you can give the summary in 3 parts, include the 1st part in the first magnet, second in the next and third part in the last magnet.