Not on Amazon? No problem. You can now get all three Takedown books via Smashwords, which supports epub, mobi (Kindle), pdf, lrf, pdb and txt formats. Get In Too Deep, Peyton Riley and Scorched Earth for whatever ebook reader / platform you choose -- iBooks, Kobo, your phone...go! :)
You can also order the print edition of The Takedown Trilogy here! All three books in one volume, Php350.