The lost penguin:

Everyone fell in love with these special characters in Oliver and Patch, finding their way in a big city and making new friends. In this story the three friends visit the zoo. They growl at the tigers, smile at the meerkats and laugh at the funny penguins. But when Peep, a little penguin who's new to the zoo, goes missing, the friends must set off together to bring him home. But it isn't always easy to agree on a plan, and the friends have to overcome some disagreements before everything works out. źródło opisu: materiały wydawcy