Wing Commander IV resulted in only one official guide, this time developed in-house at Origin. The book seems to be a mix of the two Wing Commander III guides, featuring the full color front section of the Authorized Combat Guide but the general surgical style of Origin's Official Guide to Wing Commander III.
The Wing Commander IV novelization was written by William Forstchen and Ben Ohlander. It was oddly delayed at the time, not showing up until almost a year after the game. It has been translated into both German and Czech, with new covers each time!
Wing Commander IV spawned two official guides in the US, both of which were of a high quality. German had three, one featuring a truly amazing cover, including one translation of a US version.