# Library

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The Library building in BLOCKLORDS serves as a hub for knowledge acquisition and adventure unlocking:

1. **Ruler's Responsibility**: The[ ruler ](https://wiki.blocklords.com/game-mechanics/ruling)of a region is responsible for constructing the library, and establishing it as a center for learning and research.
2. **Banner Inventory**: Within the library, users can check their[ banner](https://wiki.blocklords.com/economy/assets/banners) inventory. Banners are essential for conducting research and unlocking new adventures.
3. **Importing Banners**: Players import banners into the library's inventory, providing the necessary materials for research and book writing.
4. **Book Writing**: Rulers have the privilege of initiating the process of writing a book within the library. This action sets in motion the creation of knowledge that will unlock new [adventures.](https://wiki.blocklords.com/game-mechanics/world-map/adventures)
5. **Contributions**: Settlers in the region can actively contribute by burning banners, which contribute learning points. The more they contribute, the greater the gold bounty they receive as a reward for their dedication to knowledge.
6. **Adventure Unlocking**: Once a book is successfully written, it unlocks a new adventure within that region. Players in the same region can join these adventures at the standard price.
7. **Cross-Region Expeditions**: For players from other regions who wish to participate in the newly unlocked adventure, the cost is doubled, reflecting the additional logistical challenges of cross-region participation.

The Library building is a key structure that not only enriches the game's lore but also provides exciting opportunities for adventure and knowledge sharing among players.