Star Wars Stories is not a true series, but rather a group of movies that detail previously untold stories. They do not follow each other in a chronological order, rather, they are placed in different times across galactic history, from the Battle of Scarif to the formation of the Empire.
Rogue One Edit
Main article: Rogue One: A Star Wars Story
Rogue One: A Star Wars Story is the account of how the Rebel Alliance gained the plans to the first Death Star. The story is set shortly before Episode IV: A New Hope, with flashbacks to the main character's early life. It was released in December of 2016.
Main article: Solo: A Star Wars Story
Solo: A Star Wars Story is the biography of famous smuggler Han Solo's younger years. It will be released on May 25, 2018.