Matthias Ar gui studied illustration at the School of Decorative Arts in Strasbourg, France. He created the picture books ABC des Tracas and Before After with Anne-Margot Ramstein. He lives in France. Anne-Margot Ramstein studied art in Paris before joining the School of Decorative Arts in Strasbourg. She created illustrations for ABC des Tracas and Before After with Matthias Ar gui as well as the children's book Les Illuminations D'Albert Einstein. She lives in France.
As they did in Before After (2014), Aregui and Ramstein invite viewers to investigate concepts by moving back and forth through their colorful, dynamic world...Sure to provoke conversation, a fresh approach to looking, and multiple readings. --Kirkus Reviews (starred review)