Book it!
To start studying hard
Hit the books
Read the Riot Act
To give someone a stern warning or scolding.
Something or someone that is hard to understand or not talked about
A closed book
One for the books
Something remarkable or memorable; worth recording.
To understand someone's thoughts and feelings easily
To read / know smb like a book
Cook the books
To manipulate financial records dishonestly
Intelligent through academic knowledge rather than life experience.
To be book smart
Be brought to book
To be punished or held accountable for something.
To examine all details in a document, especially the small or hidden ones
To read the fine print
Close the book on smth
To finish or end something, especially after resolving or giving up.