Otosan Uchi is a boxed set dedicated to the Imperial Capital of Rokugan, the heart of the Emerald Empire.

This is a three-book boxed set. The books cover the history, locations and some of the inhabitants of the city. Also included in this set are two maps, with Master Location Tables located at the back of the first book for ease of reference.

The books included are:

• The Imperial Capital: A Location Guide
• The Forbidden City: A Walking Tour
• The Scorpion's Sting : A Game Master's Guide to the Scorpion Coup