The document announces a Library Week event where students are encouraged to dress up as book characters. It lists the room numbers of six classrooms participating in the event. The summary conveys the main idea that it is promoting a book character dress up day across several classrooms in the school as part of Library Week celebrations.

1. Library Week: Dress up as a book character day

2. Room 1

3. Room 2

4. Room 3

5. Room 4

6. Room 5

7. Room 6