Leo has illustrated an album about the life of Gandhi, published by Editions Centurion, and collaborated with scriptwriter Rodolphe on the Trent series published by Dargaud in France, as well as Kenya, now published in English by Cinebook. He launched Aldebaran, which he writes and draws, in 1993.

Leo has illustrated an album about the life of Gandhi, published by Editions Centurion, and collaborated with scriptwriter Rodolphe on the Trent series published by Dargaud in France, as well as Kenya, now published in English by Cinebook. He launched Aldebaran, which he writes and draws, in 1993.