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Bab El Jabr, the Door to Mathematics

Bab El Jabr invites readers to meet numbers, not to study them. In each illustrated story, a child, a Moroccan place and a mysterious guide cross paths. An everyday object becomes the key to a mathematical idea, even before it is named. Zero, fractions, geometry and infinity each become a character who comes to life, speaks and travels across Morocco. The Wise Zero, for example, reveals what zero means through its stories and its encounters. Mathematics feels intuitive, visual and playful, and readers guess along with the characters.
The stories continue from one volume to the next, and the characters meet again, so readers gradually connect the different notions. They discover a mathematical idea and a piece of their own heritage at the same time, and learn that the scholarship of their region still lives on in classrooms around the world