Brezina, Thomas. Gizli görev / by Thomas Brezina. - 3rd ed. - Istanbul : Can, 2007. - 144 p. : ill ; 20 cm. - 3rd grade. Sevimli canavarlar . - 3rd grade. Sevimli canavarlar . This book is in Turkish. ISBN: 9789758440313 Subjects--Topical Terms: 3rd grade fiction.Fiction.