Dad's math book makes the grade (The Detroit News, 20 July 2007)
Some parents pitch in with homework when kids get bad grades in math. Nicholas Aggor literally wrote the book.
The Riverview engineer was so distressed when sons Samuel, 14, and Joshua, 13, brought home bad marks, he took it upon himself to rewrite their textbooks chapter by chapter.
Four years later, they are in advanced classes and the Ghana native's pet project has become a passion that's produced a math curriculum for grades kindergarten to nine -- 14 books in all. And soon, it may not be just his kids whose grades are improving.
Hat tip: deVille