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Library Expanded
▾Table of Contents▾
Library Certificate item
Library Certificate is an active item in Library Expanded, a mod for The Binding of Isaac.
Description
Teleports Isaac to an oversized library room which contains a copy of every unlocked active book that has the book item tag.
After taking a book, Isaac returns to the room he used Library Certificate in.
Cannot be used inside Boss Rush, Devil Deal, Angel Room, or a Challenge Room.
Item pools
Library Certificate can be found in the following item pools:
| Name | Weight |
|---|---|
| Shop |
0.6/1.0
|
| Treasure Room |
0.2/1.0
|
| Secret Room |
0.6/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
External links
- Download Library Expanded from the Steam Workshop.
String Missing 
Encyclopedia of Diseases 
Cursed Book 
Coloring Book 
Technology 800k 
Photo Book