I do not have much information on this book. It seems to be a 'brochure' style hint book with a generic cover (different games would have different name stickers added.)
Das Wing Commander Piloten Handbuch Das Privateer Piloten-Handbuch Spieleführer Wing Commander III Die Wing Commander III Piloten-Power Wing Commander IV The Unofficial Guide
Spieleführer Wing Commander Prophecy
Clue-Book WC IV The Price of Freedom Der Profi-Guide Privateer 2 The Darkening Clue-Book Privateer 2 The Darkening Clue-Book Wing Commander V Prophecy Wing Commander 3 und 4 Lösungsbuch Komplettlösung zu WC Prophecy & Teil 4 Privateer 1 + 2 mit Righteous Fire Lösungsbuch Das Electronic Arts Buch