1, we need to determine the characteristics of the library mouse. Considering that they usually live in books and papers, they may show some unique characteristics. For example, their fur may be covered with dust because of long-term shuttle in books, and their eyes may reveal a kind of wisdom and cunning because they need to find food and avoid danger.

2. Draw a mouse's body: At first, we can draw a simple oval to represent the mouse's body. At the top, draw two small ears.

3. Add details: Then, we can add some details to the mouse's body, such as its claws, tail and mouth. The tail can be drawn as a long line, and the claws can be drawn as a small oval.

4. Add color: Considering that the fur of the mouse may be covered with dust, we can choose to paint its body with gray paint or pencil. In addition, in order to increase the depth and wisdom of mouse eyes, we can draw eyes with black or dark brown pigments or pencils.

5. Improve the background: around the mouse, we can add some library elements, such as books and paper. These elements can increase the complexity and depth of the picture.

6. Signature: Finally, we sign our names in the corner of the painting to show that it is our work.

7. We can draw a vivid and interesting picture of the library mouse. Remember, art is about expression and innovation, so you can adjust these steps according to your own ideas and preferences.

Characteristics of library mouse:

Because of their living environment, they are usually smarter and more flexible than other types of mice. This means that they can adapt to the changing environment more easily, find food and avoid danger better.

2. The fur of coops is usually softer and more delicate than that of other mice. This is because they live in books and paper, and the fibers and paper of these articles may give their fur a special touch. In addition, their fur may be darker than other mice, because they live in dark books and paper piles and need better protective colors to avoid being found.

3. The eyes of library mice are usually brighter and brighter than those of other mice. This is because they need to find food and avoid danger, so their eyes need to be more acute and alert. In addition, their ears are more sensitive, so they can better hear and react to the surrounding sounds.

4. The behavior of library mice is also different from other mice. They may look for food and shelter in books and newspapers. They may also nest in the corners and crevices of the library to protect themselves and their cubs. In addition, they may climb the walls, floors and ceilings of the library, looking for food and avoiding danger.

5. As a special rodent, the library mouse has unique characteristics and behaviors. Their cleverness, agility and keenness enable them to better adapt to the living environment of the library and become popular literary images.