<P> The Sisterhood of the Traveling Pants is a bestselling young adult novel by Ann Brashares published in 2001 . It follows the adventures of four best friends -- Lena Kaligaris , Tibby Rollins , Bridget Vreeland , and Carmen Lowell , who will be spending their first summer apart when a magical pair of jeans comes into their lives , turning their summer upside down . The book was adapted into a film of the same name in 2005 . Four sequels to the book have been published , The Second Summer of the Sisterhood ; Girls in Pants : The Third Summer of the Sisterhood ; Forever in Blue : The Fourth Summer of the Sisterhood ; and Sisterhood Everlasting . </P>
sisterhood of the traveling pants series in order
The Sisterhood of the Traveling Pants The Second Summer of the Sisterhood Girls in Pants : The Third Summer of the Sisterhood Forever in Blue : The Fourth Summer of the Sisterhood Sisterhood Everlasting