The Sisterhood of the Traveling Pants is a young adult novel that follows four friends Lena, Tibby, Bridget, and Carmen during the summer after their sophomore year of high school. To stay in touch while they spend the summer apart, they share a pair of pants which miraculously fits all of them despite their different body types. Each girl has her own adventures and grows up a lot over the course of the summer, but the power of the pants and their love for each other ensures that their friendship remains strong.
The Importance of Friendship
As the girls face challenges and different personal issues, they rely increasingly upon each other to cope with the changes. Their friendship helps them understand their identities more deeply. The pants are indeed a symbol of the girls' unique bond.
The Search for Love
The novel describes love in various forms - self-love, friendship, family bonds, etc. - and proclaims that all forms of love must come naturally and be respected.
The Importance of Family
In the novel, the family is portrayed as being rooted in one's birth yet dynamic, and also as existing between friendships in addition to blood relatives.
Coming of Age
This summer happens to be a wake-up call for each character. The girls are expected to make decisions for themselves and behave as responsible adults, as well as to figure out how to overcome obstacles and take risks.