Ever since the penguins moved into the zoo, animal interpreter Lili has had her hands full: the enclosure is full of problem animals! Yuki, a tiny spectacled penguin, worries her the most. He longs to fly - like a real bird. But penguins can't fly! Will Lili and her friend Lukáš manage to fulfill his longed-for wish? The book is intended for children aged 8 and over.