Original sentence: Reid's entertainment career also began in 1968.Years later,  Reid and Dreesen co-wrote a book about those years called Tim & Tom: An American Comedy in Black and White (ISBN 978-0-226-70900-0, co-written with sports writer Ron Rapoport)
Edited sentence: Reid's entertainment career also began in 1968, under atypical circumstances.Years later, Reid and Dreesen co-wrote a book about those years called Tim & Tom: An American Comedy in Black and White (ISBN 978-0-226-70900-0, co-written with sports writer Ron Rapoport)