Another thought...

13) "Mow Less Acres: How to Build a Pond or Lake"

14) "Turn Dirt into Water: Your Complete Pond and Lake Construction Guide"

15) "Dam Right! Your Complete Pond and Lake Construction Guide"

16) "Just Add Water: Your Complete Pond and Lake Construction Guide"

17) "Cover Your Bass: The Best Ways to Build Ponds & Lakes"

18) "Pond & Lake Construction: The Expert Way"

19) "Pond & Lake Construction Buy the Book" (subliminal message!)