It's Not All Downhill from Here by Terry McMillan; 2020. Hardcover.

"After a sudden change of plans, a remarkable woman and her loyal group of friends try to figure out what she's going to do with the rest of her life--from the #1 New York Times bestselling author of How Stella Got Her Groove Back and Waiting to Exhale Loretha Curry's life is full. A little crowded sometimes, but full indeed. On the eve of her sixty-eighth birthday, she has a booming beauty supply empire, a gaggle of lifelong friends, and a husband who's still got moves that surprise. True, she's carrying a few more pounds than she should be, but she's not one of those women who thinks her best days are behind her, and she's determined to prove her mother, her twin sister, and everyone else with that outdated view of aging wrong--it's not all downhill from here. But when an unexpected loss turns her world upside down, Loretha will have to summon all her strength, resourcefulness, and determination to keep on thriving, pursue joy, heal old wounds, and chart new paths. With a little help from her friends, of course"--