What I'm writing next

I'm about to dive down into my first book in a sort-of new genre. That's an "on the run" outdoor thriller. There are bad guys, but there is also nature, making the chase more difficult. (If you've read Michael Koryta's Those Who Wish Me Dead, that's an example--I've read others but am spacing out on the titles right now.)

I've spent the last month researching the genre and doing three outlines. The three books, should I write them all, are unrelated to each other except for being in the same thri...