Here are the steps to publish a title to the storefront/shelf:

1.      Click on “Titles” tab , search for a titles you wish to publish to your Storefront/Shelf

2.    Once you find the title,click on the title check box 

3.      Move your cursor over the “Publish” drop down and then click on “Publish to shelf

4.      Click on “Change?” to view all your storefronts/shelf's

5.      Select the Storefront/shelf name to which you want to publish the titles, click on “OK” to save.

6.      Now click on “Publish” button will take to “publish drop down” box.

7.      Click on “Start” button to start publishing titles to your Storefront/shelf

Title will be published to your storefront/Shelf Successfully !!