Fantasy and Sci-Fi Books Subscription Box. Fantasy and SciFi Books is a subscription box that sends a new release YA SciFi or Fantasy book along with 3-4 related items surrounding the theme of the book( fandom jewelry, bookmarks, bags and more!). Boxes include specially made book inspired items that cannot be bought anywhere else. Some boxes will include an extra exclusive item from a guest Always receive a Fantasy or Sci-Fi new release. Custom Items made just for this box. 3-4 items that surround the theme of the book. Ships Worldwide. Exclusive items from guest authors.