Answer
The World According to Garp, a novel by John Irving, introduces Roberta Muldoon, a strong-willed feminist and mother of the protagonist, Garp. Roberta's unconventional lifestyle and unwavering determination shape Garp's upbringing and influence his own journey as a writer and father. Through Roberta's experiences, Irving explores themes of gender roles, societal expectations, and the complexities of family dynamics.