Writer of children's books mainly, but not only, Calouan is also a biography writer, a botanist, a professional proofreader, an instructor in environment and microbiology, and she is trained in the Montessori pedagogy.

Published by Marabout, Gulf Stream, Hemma, Oskar, Zoom, La Pimpante, Grenouille... Calouan loves the words and likes to taste them, knit them, twirl them freely, under the sun and next to the vines and olive trees, with the song of the cicadas, for the young and the old. She frequently does workshops with schools or in libraries.