What is Red Data Book?

Explanation

### Step-by-Step Solution:

1. **Definition of Red Data Book**: The Red Data Book is an international document that lists all the endangered species of plants and animals.

2. **Purpose of the Red Data Book**: It serves to maintain a comprehensive record of endangered species globally, providing essential information for conservation efforts.

3. **Scope of Documentation**: The Red Data Book documents not only animals and plants but also fungi that are considered rare or endangered.

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