This article is a stub. You can help Radiant Historia Wiki by expanding it.

Radiant Historia World Guidance is an official artwork collection book from the game, which contains a lot of extra information regarding world setting, character details, and a timeline of events including an expanded backstory, among other things.

The book also includes various comments by game director Mitsuru Hirata, world designer Satoshi Takayashiki, and character designer Hiroshi Konishi.