A complete Texas Hill Country nanny romance with single-dad widower, index-100 trope stack, the toast thread grand gesture, and full 5-book Nanny Diaries of Mercy Creek series architecture including cross-book plotline map, character status tracker, and individual book premises for The Cowboy's Backup Plan, The Cowboy's Wildcard, The Cowboy's Second Round, and Hattie Mae's Match. One buyer only — this story is exclusively yours.