Pru Granger is a fictional character from the popular book series "The Penderwicks," written by Jeanne Birdsall. She is known for her adventurous spirit and strong personality, often taking the lead in various escapades with her sisters. Pru is characterized by her love for nature and animals, reflecting her nurturing side. In the series, Pru's relationships with her family and friends play a significant role in her development. Her interactions with characters like Rosalind Penderwick and Batty Penderwick highlight her loyalty and protective nature. Overall, Pru Granger is a beloved character who embodies the themes of friendship and family.