What do books represent?

Books represent information, and Cricket craves information. Books are also symbols of security for Cricket, and she constantly touches books in a stall in the Glitterbazaar to reassure herself. From Sundew's perspective, books are also a symbol of exploitation. She knows many trees were killed to make the paper used in books. When Cricket points out they use silk now. Sundew notes that they are exploiting the SilkWings.