bookish
US /ˈbʊk.ɪʃ/
UK /ˈbʊk.ɪʃ/

1.
fond of reading books
:
•
She was a quiet, bookish girl who spent most of her time in the library.
•
His bookish interests made him an excellent researcher.
2.
more interested in reading and studying than in more active or social things
:
•
He had a somewhat bookish appearance, with glasses and a quiet demeanor.
•
Her bookish nature meant she preferred quiet evenings at home to parties.