You can share your books publicly or privately. To access the sharing options click on the share / embed link next to where the book is listed on your photo books landing page.
If you share your book publicly, they get added to our online gallery. Anyone who visits the gallery will be able to view publicly shared books. Let your friends and colleagues know about your book and encourage them to view the book and vote for it. You could be eligible for special prizes. the way to share your book publicly is to go to the sharing menu by by clicking the link indicated above. In the sharing menu, click on the share option as outlined below.
Clicking on share will list a number of options. First you need to turn sharing ON. This will reveal some additional options. Among those options is the one to link your book in the public gallery as shown below. Switch that option to ON.
If you share the book privately, only the people you send the link to will be able to see it. To get the link, go to the sharing menu (directions listed above). The default option when you get to the sharing menu is the book viewer as outlined below.
Below the image of your book you will see a row of icons. Click on the icon of the chain as shown below, and it will reveal the link to view your book. Anyone you give that link to will be able to view your book online.