"When two roads diverge...take the one that leads to the beach! Hannah McKinnon delivers a charming gem of a novel in Mystic Summer. I adored this book." —Elin Hilderbrand, #1 New York Times bestselling author of The Rumor...

When Flossy Merrill summons her children to the beloved family beach house to celebrate their father's eightieth birthday, both cherished memories and long-kept secrets come to light in this charming and lyrical novel from the author ...