illustrated by Ingela P Arrhenius illustrated by Ingela P. Arrhenius illustrated by Ingela P. Arrhenius. illustrator by Ingela P. Arrhenius illustrations by Ingela P Arrhenius. illustrations by Ingela P. Arrhenius illustrated by Ingela Peterson Arrhenius illustrations by Ingela P. Arrenius illustrated by Ingela Peterson Arrhenius. Illustrated by Ingela Peterson Arrhenius.