Covered in books with 〜だらけ

Grammar Explanation: Covered in with 〜だらけ

この美術部には問題がある！ » Volume 8 » Page 94

Upon hearing Usami say she’s stopping by the school library, Uchimaki says he wants with, and Colette tags along.

内巻(うちまき):: 「本(ほん)だらけだ！！」; "It's nothing but books!!"
コレット:: 「本屋(ほんや)さんみたいだ！！」; "It's like a book store!!"
宇佐美(うさみ):: 「２人(ふたり)とも静(しずか)にしなさい」; "Quiet down, you two."