Mordicus et ses soustractions

Mordicus et ses soustractions (Mordicus and His Subtraction) is a 1, Rue Sésame book about numbers.
Toccata and Mordicus play a game where they each catch butterflies and add up the spots on their wings for points. Each time a butterfly escapes, they subtract that number of points.
==Other releases==
File:Toccata moutons.jpg|Toccata additionne ses moutons and Mordicus et ses soustractions2-in-1ISBN 2856200567
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Category:1, Rue Sésame Books
Category:Mengès