In The Tale of the Pie and the Patty-Pan, Ribby, a cat, invites a little dog called Duchess to tea. Duchess accepts the invitation but is anxious that she will be served mouse. When Duchess switches pies in Ribby's oven before tea, confusion ensues. The seventh of Beatrix Potter's 22 charmingly illustrated tales of animals in amusing situations, The Tale of the Pie and the Patty-Pan has delighted children since its release in 1905.