Doug Wilson writes children's fiction!
I just got my Veritas Press Catalog in the mail today and they are advertising a new book by Wilson that will be available in August, called Blackthorn Winter. From the catalog:

You gotta have this - Doug Wilson's first voyage into children's fiction. Set on the eastern seaboard in the third year of the reign of good Queen Anne, this pirate novel contrasts righteous behavior and foolishness. The story follows the service of fifteen-year-old Thomas Ingle on the Prudent Hannah under the honorable Captain Monroe and then their unfortunate tour on the Lady Constance. Treasure, financial hardship, and pirate mystique all add to the cleverly woven tale. Kids won't put it down and you won't either.