From the introduction:
Sommerlund is the main setting for The Lone Wolf Adventure Game and the Lone Wolf game books. It is here that the Kai Monastery stands, there the nefarious Darklords attempt to strike repeatedly, and where Naar – the God of Darkness and Evil – suffers his greatest setbacks.
This book pulls back the veil, presenting Sommerlund in all its glory, from its geography and history to its noble lines and military forces. The Realm of Sommerlund serves as the definitive guide to the Kingdom of the Sun. Fans of the Lone Wolf game books will find this book a wealth of information, while Narrators and Players of The Lone Wolf Adventure Game now possess the ultimate resource for stories set in Sommerlund.