(informal) A small personal photo album.

A book, often bound with a red cover, or online equivalent, that is an official, or canonical, collection of data, regulations, or writings.

(informal) In one's opinion. / Used other than figuratively or idiomatically: see in, one's, book.

plural of blue book

(aviation, travel) (in a reservation system) The letter used to signify a particular fare level.

Synonym of book learning

A book with pages made from fabric, usually cotton, designed to be used by young children.

plural of rag book

plural of history book

A book that describes (and explains) the history of a country, area or subject; such a text book