The Taurens are coming! The Taurens are coming!
The Taurens invade the Federation unexpectedly. Here are the planet invasions from all of the Tauren Invasion books with a bit more. :)
Amazon: https://www.amazon.com/dp/B0C41NSBH9
B&N: https://www.barnesandnoble.com/w/books/1143422555?ean=2940160950815