Items with this tag contribute toward the Bookworm transformation.
Activated Collectibles[]
| Name | ID | Icon | Quote | Description | Quality |
|---|---|---|---|---|---|
| Anarchist Cookbook | 5.100.65 |  
|
Summon bombs | Spawns six  Troll Bombs around the room.
|
0 |
| Book of Revelations | 5.100.78 |  
|
Reusable soul protection | Increases the chance of a  Devil Room /  Angel Room appearing while held. Upon use, gives one  Soul Heart, and replaces the boss of the current floor with a Harbinger if possible.
|
3 |
| Book of Secrets | 5.100.287 | 
|
Tome of knowledge | Gives the effect of  Treasure Map,  The Compass, or  Blue Map for the duration of the current floor. If all effects are active,  X-Ray Vision is provided for the floor instead. Highlights any Tinted Rocks and rocks with  Crawl Space in the room.
|
0 |
| Book of Shadows | 5.100.58 | 
|
Temporary invincibility | Creates a protective shield, nullifying all types of damage in the current room for 10 seconds. | 3 |
| How to Jump | 5.100.282 |  
|
It's time you learned how | Isaac jumps in the direction he is currently moving, allowing travel over obstacles and enemies. | 1 |
| Monster Manual | 5.100.123 | 
|
Temporary buddy generator |  Spawns a familiar from a specific selection for the current room. Spawns a familiar from a specific selection for the current floor.
|
1 |
| Satanic Bible | 5.100.292 | 
|
Reusable evil... but at what cost? | Gives one  Black Heart. Replaces the boss room item on the current floor with a Devil Deal.
|
3 |
| Telepathy For Dummies | 5.100.192 |  
|
Temporary psychic shot | Gives homing tears for the current room. Also gives +3 range.
|
1 |
| The Bible | 5.100.33 |  
|
Temporary Flight | Grants flight for the current room. Instantly kills  Mom,  Mom's Heart, and  It Lives when activated, but kills Isaac when used on  Satan.
|
1 |
| The Book of Belial | 5.100.34 | 
|
Temporary DMG up |  +2 damage for the current room. Passively guarantees a Devil Room or Angel Room will appear while held. +2 damage for the current room. Passively increases the chance of finding a Devil Room or Angel Room while held.
|
2 |
| The Book of Sin | 5.100.97 | 
|
Reusable item generator | Spawns a random coin, heart, bomb, key, battery, pill or card near Isaac. | 1 |
| The Necronomicon | 5.100.35 | 
|
Mass room damage | Deals 40 damage to every enemy in the room. | 0 |
| Book of the Dead | 5.100.545 | 
|
Rise from the grave | Creates a friendly  Bony,  Black Bony, or an orbital bone for each enemy killed in the current room. Creates a friendly Bony, Black Bony,  Bone Fly,  Revenant, or an orbital bone for each enemy killed in the current room.
|
2 |
| Book of Virtues | 5.100.584 | 
|
Spiritual companionship | Spawns a destroyable orbiting wisp familiar that fires tears and deals contact damage. Also acts as a passive item that causes other active items to spawn themed wisps. | 3 |
| Lemegeton | 5.100.712 | 
|
Item summoner | Spawns a wisp representing a random passive item, which orbits Isaac but can be destroyed. While the wisp is alive, Isaac gains that item's effects. Generation uses the current room's item pool 25% of the time, otherwise a random pool. | 3 |
 The Binding of Isaac: Rebirth
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