A Japanese Monster Hunter Rise: Sunbreak official guide book will be available on June 30, 2022. It will include all information on monsters you can hunt, equipment you can collect, quests you can take on, and more. It will cost 1,870 JPY (which is around $14.30), and will have 224 pages in total. [Thanks, Dengeki Online!]
The book is only available in Japanese at the moment, and you can pre-order it from Amazon Japan. As the book is a walkthrough for the Sunbreak expansion, it may not include details that were present in the base game. Aside from information on monsters and items, the book will provide details on items you can get on the map, as well as information on Followers.
Monster Hunter Rise: Sunbreak is an expansion pack for Monster Hunter Rise. It will bring with it new monsters to hunt, as well as new systems. For example, you will be able to participate in Follower Quests. In Follower Quests, you take an NPC with you on a single-player hunt. The guidebook, which will come out on the same day as the Sunbreak release, will give information on Followers’ skills and fighting styles so you can be prepared.
Monster Hunter Rise: Sunbreak will launch for Windows PC and Nintendo Switch on June 30, 2022. A Digital Deluxe Edition is available for pre-order. The Japanese Monster Hunter Rise: Sunbreak guide book will come out on June 30, 2022.