The summer after her first year of college, Isobel "Belly" Conklin is faced with a choice between Jeremiah and Conrad Fisher, brothers she has always loved, when Jeremiah proposes marriage and Conrad confesses that he still loves her.

Four best girlfriends spend the biggest summer of their lives enchanted by a magical pair of pants.

Four famous siblings throw an epic end-of-summer party that goes dangerously out of control as secrets and loves that shaped this family's generations come to light, changing their lives forever.

As their lives take them in different directions, Lena, Tibby, Carmen, and Bridget discover many more things about themselves and the importance of their relationship with each other.

With a bit of last summer's sand in the pockets, the Traveling Pants and the Sisterhood that wears them embark on their 16th summer. Bridget: Impulsively sets off for Alabama, wanting to both confront her demons about her family and avoid them all at once. Lena: Spends a blissful week with Kostos, making the unexplainable silence that follows his visit even more painful. Carmen: Is concerned that her mother is making a fool of herself over a man....

Eloise, Weenie, and Nanny are going on a road trip across the country for vacation!

Louna's years working at her mother's wedding planning business--as well as the tragic end of her first love--have shaped her cynical views on romance, but the arrival of serial-dater Ambrose may start to change Louna's mind and give her a second chance at love. Cynical about happy endings, Louna, the daughter of a wedding planner, initally holds Ambrose at arm's length, but Ambrose has finally found someone to save him from his serial dating ways,...

During a sweltering 1960 Milwaukee heat wave, Sally O'Malley struggles with the trauma of her father's sudden death and her sister Troo's possible role in a string of burglaries, an escape from a reform school, and an orphan's disappearance.

Yetis love snow and all things winter, but sometimes they need a dose of summer as well.

The Sisterhood of the Traveling Pants graduates from high school and spends their last summer before college learning about life and themselves.