Genre fiction, take two

So, no sooner do I write an entry about genre fiction and mention the culinary whodunit than I pick up another book -- from the same book sale where we got "Sticks and Scones" -- and its cover says that it's the first in a brand new series of Sudoku mysteries. Once again, there seems to be only one author in the series, Kaye Morgan. It never ends, I guess, but it seems kind of like a racket to create your own genre...