"The Two Princesses of Bamarre" is a fantasy novel by Gail Carson Levine. It tells the story of two sisters, Princess Meryl and Princess Addie, who live in the kingdom of Bamarre. Meryl is brave and adventurous, while Addie is more timid and cautious. When a deadly illness threatens their kingdom, Meryl sets out on a quest to find a cure. As Meryl faces various challenges, Addie learns to confront her fears and discovers her own strengths. The story explores themes of courage, love, and the bond between sisters, highlighting how they support each other in times of crisis.