|Ryu ga Gotoku Series 10th Anniversary Memorial Book - Ryu Encyclopaedia|
|Published: 21 January 2016|
This book is a collection of data and interviews about the Ryu ga Gotoku series that was released to commemorate its 10th anniversary.
The book contains spoilers for the entire series. Any spoilers for 0 will be marked. Spoilers for other games will not be marked. All links are free of 0 spoilers by default, with alternative links to versions containing spoilers next to them marked (0SP). Anything that has appeared in promotional material, such as a magazine or the website, is not counted as a spoiler and will appear without warning.