Arthur Frobisher, a sixty-year-old semi-retired architect, has spent his life collecting regrets like museum pieces—none bigger than Juniper Shaw, the girl he never called forty-two years ago. When Juniper unexpectedly moves in next door, Arthur must confront the geometry of his past failures. A warm, witty novel about second chances, crooked porches, sourdough starters, and what happens when you stop building walls and start opening doors. Sometimes the best foundations are the ones you rebuild together.