As expected, Amazon has announced another publishing line, for mysteries and thrillers. Thomas & Mercer (named for streets that flank the company’s Seattle headquarters) is Amazon’s fifth imprint and will launch this fall with four titles by Kyle Mills, D.M. Annechino, John Rector and Blake Crouch co-writing with J.A. Konrath. The release also appears to confirm Victoria Griffith as publisher of all of Amazon’s in-house imprints. Release Tyndale House is launching a Digital First imprint that does just what the name proclaims: publish ebook originals. They will launch with in July with four inspirational novels and one work of nonfiction. […]