An Amazon Charts andWall Street Journalbestseller.Dear Luke,First let me sayI love youI didnt want to leave youLuke Richardson has returned home after burying Natalie, his beloved wife of sixteen years, ready to face the hard job of raising their three children alone. But theres something hes not prepared fora blue envelope with his name scrawled across the front in Natalies handwriting, waiting for him on the floor of their suburban Michigan home.The letter inside, written on the first day of Natalies cancer treatment a year ago, turns out to be the first of many. Luke is convinced theyre genuine, but who is delivering them? As his obsession with the letters grows, Luke uncovers long-buried secrets that make him question everything he knew about his wife and their family. But the revelations also point the way toward a future where love goes onin written words, in memories, and in the promises its never too late to keep.