The Leatherbound Notebook is a Quest Item in Resident Evil Requiem (RE9). Read on to learn how to get the Leatherbound Notebook, its effects, and how to use this item!
List of Contents
| Overworld Location | ![]() |
|---|---|
| Map Location | ![]() |
To obtain the Leatherbound Notebook, unlock the vault in the Lead Researcher's Office by melting the padlock with the corrosive and solving the puzzle. You can find this office on the second floor of the East Wing in the Care Center.
Lead Researcher's Office Puzzle Box Solution

After obtaining the Leatherbound Notebook, examine its contents. On the side of the cover, there is a slip of paper with the solution on how to open the Organ Transport Box.
Organ Transport Box Solution and Location
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| Item Type | Quest Item |
|---|---|
| Description | |
| A notebook that was stored inside of the sun puzzle box. | |

How to Get the Leatherbound Notebook

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