from the back of the book
Tails of the Expected is Quicksilver Fantasies Mini-Solo #4 for basically 1st Edition D&D although it states that it can be used with the rules of the Fantasy RPG of your choice.
Plot summary: The Griffon throne is vacant due to the machinations of the Mad Marvellor. Can you rescue the ensorcelled heir? Loki is on the loose and formenting trouble in Valhalla. Can you outwit him and restore stability in Wotan's hall? Pit your skills agianst these and more formidable foes. (From the back cover)
The module is designed for low-level characters (approximately level 1-4). It has three short adventures for a Druid (or other cleric or nature-priest), a thief (or rogue), and a Valkyrie (or other fighter of good alignment).