📕閉じた本A closed book. Means books, knowledge and stories. Use it for reading, study and "the book is closed".
😝目を閉じてべーA face with a squinting expression and stuck-out tongue. Conveys goofiness and gross-out humor.
🤭口に手を当てた顔A face with a hand over the mouth. Conveys shock, surprise, or holding back a giggle — "I can't believe it".