Martine Apprend À Nager

Martine is the title character in a series of books for children originally written in French by the Belgians Marcel Marlier and Gilbert Delahaye and published by Casterman. The first album, Martine à la ferme, was published in 1954, followed by 59 other books, which have been translated into many different languages. The book series has sold about 100 million copies and is one of the best-selling book series.