Run to Daylight! is a book that provides a week-long, diary-style account of Vince Lombardi's experience coaching the Green Bay Packers during their 1962 championship season. The book, originally published in 1963 with sports journalist W. C. Heinz, offers a behind-the-scenes look at the team's preparation for a crucial game on Sunday. 
The book covers a variety of topics, including:
While your query mentioned a 1968 paperback, the book was originally published in 1963. The 1968 edition is likely a re-printing of this classic football title.