noun
Describes a person who reads a lot and loves reading. Neutral, slightly positive connotation.
彼女は大変な読書家で、週に三冊は本を読む。
She is a great bookworm and reads three books a week.
祖父は読書家で、書斎には何千冊もの本がある。
My grandfather is an avid reader, and there are thousands of books in his study.
Means 'lover of reading', more descriptive and less of a fixed label than 読書家.
Compound of 読書 (reading books) and 家 (person with a certain trait or profession).