1) In the Safari browser, navigate to https://m.fictiondb.com
2) Locate the action button at the bottom of the screen and push it
3) Scroll right until you find the Add to Home Screen button and push it
4) It will ask you for a title. Type in FictionDB
5) Push Add in the upper right corner
That's it! Now whenever you want to use the app, just click the icon from your home screen.
For all other devices including Android and Windows, click on the tutorial below: Tutorial