The planet descriptions highlight cultural, political and religious elements that make the system interesting to visit, this isn't just a string of statistics. The animals are all designed to inspire or be a part of an interesting encounter. the people of interest are individuals who have made a mark on Imperial society for good or bad, and each story seed is a core idea for generating an entire scenario.
This product was designed for use with Mongoose Traveller, but is compatible with all versions.
Available on Kindle also available in PDF from DriveThruRPG