Oma und Frieder (Oma and Frieder)
/ Gudrun Mebs. Illustrated by Catharina Westphal. - Frankfurt am Main: Fischer Sauerländer
4. Schule! (4. Frieder's First Day of School) Frieder screams, "School!" and grandma is ready to go with him. / Gudrun Mebs. – 2nd printing. - 2010. - 72 p.