In the frozen village of Hearthmoor, where winter never ends and starlight is bottled for warmth, the magic is dying.Maren Thorne, reclusive apothecary and keeper of her mother's secrets, discovers the unthinkable: the Winterglass Heart-the crystalline core that has sustained her town for 150 years-is fracturing from within. She has weeks, perhaps days, before the system fails completely and Hearthmoor freezes solid.The solution her mother left behind seems impossible: brew four essences from human emotions-Joy, Generosity, Hope, and Love-and use them to power a new kind of magic. Magic that renews itself. Magic that can't be controlled or extracted, only cultivated through genuine human connection.But Maren can't do it alone. She needs Elias Grey, the skeptical engineer next door who builds with gears and copper instead of herbs and intention. He doesn't believe in emotional magic. He barely believes in her. And he's still grieving the wife who died pursuing the same impossible dream.As the temperature drops and the Guild threatens evacuation, Maren and Elias must forge an unlikely partnership-combining her intuitive magic with his mechanical precision, racing against time and their own limitations to capture lightning in bottles and redesign reality itself.Because saving Hearthmoor means more than fixing a failing system. It means proving that magic can be sustainable, that collaboration trumps extraction, and that the most powerful forces in the world aren't the ones we take, but the ones we give freely.The Winterglass Apothecary is a story about impossible magic, reluctant partnerships, and the revolutionary idea that the best solutions come not from control, but from care.Perfect for readers who loved The House in the Cerulean Sea, A Psalm for the Wild-Built, and Howl's Moving Castle.