“Olli Otter und das Küken” (“Olli Otter and the duckling”) is an illustrated children’s book. The story teaches about the characteristics and skills of otters. A little duckling called Elli makes friends with Olli. The two discover what makes them different from each other as well as what they have in common. The illustrations were created traditionally with gouache and coloured pencils in the format 22,5 x 22,5 cm.