A Bescherelle is a French language grammar reference book best known for its verb conjugations volumes. It is named after the 19th century French lexicographer and grammarian Louis-Nicolas Bescherelle.It is often used as a general term, though it's in fact a brand name. The series is made up of three volumes dealing with various aspects of French grammar. The first volume, L'art de conjuguer (The art of conjugation) presents the conjugation of every type of verb in the French language in every v… (More on Bescherelle)