The Silver Chair, a children's fantasy novel, is the sixth installment of the Chronicles of Narnia. The story recounts the adventures of schoolchildren Eustace Scrubb and Jill Pole after they cross over into Narnia. They are tasked with finding Prince Rilian, who has been missing for several years. On their quest they have many adventures, including meeting Marsh-wiggle Puddlegum and the Lady of the Green Kirtle. By closely following the advice of Aslan, they are able to find and rescue Prince Rilian.