I’ve found a great little tool for authors on Dave Chesson’s Kindlepreneur site. It’s a Quick Response (QR) generator. Authors can add an image and the URL to a book or their Amazon page for instance into the QR generator, and hey presto, a code comes up that readers can use on their phones to find your work. Here are two I made earlier. I found it easier to copy these using the Snipping Tool and then uploaded the snip to WordPress:

QR code for ‘His Ladyship’, my latest book.
QR code to my Amazon US author site.