In the novel "P.S. Be Eleven" by Rita Williams-Garcia, the story captures the themes of growth and enduring relationships amidst change. Set in the 1960s, it follows the lives of three sisters navigating their youth after experiencing significant life events. They learn that although people and circumstances may change, the bonds they share with each other remain strong.

The quote "Every good-bye ain't gone" embodies the idea that farewells do not signify the end of connections. It suggests that even when individuals part ways, the memories and love shared continue to influence their lives. This sentiment resonates throughout the book, highlighting the importance of cherishing relationships despite physical separation.