There are at least 2 distinct authors known as Dick Schaap:
1) Dick Schaap (b. 1937 as "Richard J. Schaap", d. 2001, father of Jeremy Schaap) was an American sportswriter and broadcaster, author of Joy in Mudville.
2) Dick Schaap (b. 1926) is a Dutch writer, predominately focusing on seafaring, whaling, and the Netherlands, author of Halen en brengen.