The term 'book ending' can refer to the beginning and end of a book, which is often marked by an introduction and conclusion. The crossword solutions for this term are ISH (3 letters), LET (3 letters), and STORE (5 letters). Ish is a Hebrew word meaning 'MAN' or 'PERSON, ' and is often used in literature to refer to a character. LET is a verb meaning 'to allow or permit, ' and is often used in literature to describe a character's actions. STORE is a noun meaning 'a place where goods are kept for sale, ' and is often used in literature to describe a setting.