Tom Swift Jr. is a fictional character who appears in a series of adventure novels aimed at young readers. Created by the Stratemeyer Syndicate, the series began in the 1950s and features Tom as a teenage inventor who embarks on exciting journeys, often involving science and technology. The stories highlight Tom's intelligence, creativity, and problem-solving skills as he develops various gadgets and machines. The series is a continuation of the original Tom Swift books, which started in the early 20th century, and has inspired many young readers to explore science and engineering.