Everything is potentially fair game; however, material from the out-of-era books (such as Jedi Academy, Force Unleashed, Knights of the Old Republic and Clone Wars) as well as material from out-era found in other books must be approved by the Game Master on an individual, point-by-point basis. In this case, it is better to ask permission than to beg forgiveness; the GM does not like surprises. That said, the books the Storyteller has are as follows, in alphabetical order: