Together with the main Strange Stars book, this would be a solid 5 stars. Having to buy them seperately makes me rate this at 4 stars.
What you get is a summary version of the core Fate rules, as well as very well done, very detailed examples of the Strange Stars clades (races), political groups and organizations.
Howvever, seperated from the art and fiction of the main book, this book came off as somewhat dry and text book-y.
Still, solid 4 stars, great example of Fate space opera/transhuman sci fi. I look forward to seeing more Strange Stars.
[4 of 5 Stars!]