If you are in the US you can now create physical photo books through the Google Photos app

At its I/O 2017 conference Google announced a new service that lets Google Photos users create and order physical photo books of their favorite images. Initially, the feature was only available through the Google Photos desktop browser version but now the company has updated the Google Photos apps for iOS and Android to support the photo book service. You can now order photo books of your favorite albums, which can be created automatically using Google's AI, through the mobile apps. Currently th...