Ann Brashares

Girls in Pants: The Third Summer of the Sisterhood this book is the third in a series of four books The Sisterhood of the Traveling Pants, The Second Summer of the Sisterhood, and Forever in Blue: The Fourth Summer of the Sisterhood.

Forever in Blue: The Fourth Summer of the Sisterhood is the fourth novel in Ann Brashares's acclaimed "Sisterhood" series. The story concludes the adventures of four girls who share a pair of "magical" pants that fit each one of them perfectly, despite their vastly different shapes and sizes. This is the fourth book …

3 Willows: The Sisterhood Grows is a young adult novel by Ann Brashares published on January 13, 2009. It is a spin-off to The Sisterhood of the Traveling Pants series as main characters Polly, Jo and Ama are about to attend South Bethesda High School, the school the original sisterhood attended.