: The book highlights PK’s secret love for Jaggu. He chooses to let her go so she can reunite with her lover, Sarfaraz, carrying back only audio tapes of her voice to his planet. Real-World "PK Book" Context

In the 2014 film , the character Jagat "Jaggu" Janani Sahni (played by Anushka Sharma) eventually publishes a book about her experiences with the alien protagonist.

: Seeing human society through the "innocent eyes" of an outsider who doesn't understand language, clothing, or social hierarchies until he learns them.