As she approaches the milestone birthday of forty, delicate blond beauty Amanda Delanoe finds joy in running a chic contemporary art gallery in the City of Light. The only child of a French businessman and an American model, both now deceased, Amanda lives well and adores her dog, Lulu, but so far the love of her life has eluded her.

When she is only six years old, Allegra Dixon’s party-loving mother leaves without so much as a goodbye. Her father, an emotionally distant military officer, is also unable—or unwilling—to care for her. Sent to live like a ghost in her grandparents’ joyless home, Allegra finds her only solace through an escape into books. Attending boarding school, life finally takes a turn when she meets a dashing young West Point cadet named Shep Williams. Soon their friendship blossoms into something more, and they fall deeply in love.

Oona Kelly Webster has much to be grateful for. A striking woman with red hair and green eyes, she has a loving family and a job she adores, editing a prestigious line of books. To celebrate their twenty-fifth wedding anniversary, she and her husband, Charles, have planned a visit to France. But then Charles drops a bombshell. He has been living a lie—hiding an affair for a year—and he is leaving Oona for a younger male lover.

Darcy Gray is a successful influencer with her blog, The Gray Zone, trusted by more than a million followers for her integrity and taste. At forty-two, she has the life she wants in many ways. Darcy and her husband, department store magnate Charles Gray, are a power couple in Manhattan and on the international stage. Their beloved twin daughters are each enjoying their junior year abroad, Penny in Hong Kong and Zoe at the Sorbonne in Paris. To celebrate twenty years of marriage, Darcy impulsively flies to Rome to surprise Charlie, who is tending to business interests there.

Kezia Cooper Hobson, recently widowed, arrives in New York from San Francisco. Determined to make a fresh start, she has just completed the sale of her Pacific Heights home, not to mention her husband's venture capital firm, and in doing so, is also freed from her responsibility as a board member of the company. Bringing with her only a few personal treasures, she is excited to move into the blank slate of a beautiful midtown penthouse, in the city that she has always loved. It is also where her two adult daughters now live.

With wit and intelligence, Danielle Steel explores love in all its guises, taking us into the lives of three unusual but wonderfully real couples. One Day at a Time is at once moving, thought provoking, and utterly impossible to put down.

As the head of a prestigious movie studio for nearly two decades, Andy Westfield has had every conceivable professional luxury: a stunning office on the forty-fourth floor, a loyal assistant who can all but read his mind, access to a private jet and company cars. The son of Hollywood royalty, Andy always put his career before his marriage, and now, besides his daughter and young grandchildren, it’s the only thing he truly loves. But then Andy’s world is upended. The studio is sold, and the buyer’s son demands the top seat. Out of a job and humiliated, Andy spirals.

Oscar-winning actress Ardith Law is a Hollywood icon. Radiant at sixty-two, she is the epitome of glamour and a highly respected artist. But her success has come at a price: she has a strained relationship with her daughter, Morgan, who at thirty-eight still blames Ardith for putting her career before being a mother. Morgan is a successful plastic surgeon in New York City—and the distance from Ardith's Bel Air mansion is not lost on either of them. Ardith became a single mother when Morgan was seven, after her unfaithful husband died in a helicopter accident.

In her 57th best-selling novel, Danielle Steel brilliantly chronicles the roller-coaster ride of dating the second time around - and tells a captivating story of the surprises one woman encounters when she's thrust into the terrifying, exhilarating world of the dating game.

Theodora Morgan is fashion royalty. Founder of a wildly popular online shopping service, she is one of the most successful businesswomen in the world, although she prefers to keep a low profile, especially over the last months. It was a year ago when the unthinkable struck her family: Her husband, industry mogul Matthieu Pasquier, and their son were kidnapped and held for ransom—a nightmare that ended in tragedy. The case has gone cold, despite evidence linking the crime to Matthieu's Russian competitors.

It's the summer of 1959 and the Palace of Versailles is hosting an event that will make history. It is an exclusive dusk to dawn ball in which a select group of American and French debutantes will be presented to international society and royalty. Four young women, all with something to prove, receive what some see as the invitation of a lifetime.

Hope Dunne has carved out a name for herself as a top photographer, known the joys of marriage and motherhood and the heartbreak of loss. In her chic SoHo loft, Hope is content with her life, finding serenity and beauty through the lens of her camera. She isn't looking for a man or excitement. But these things find her when she accepts a last-minute assignment to fly to London at Christmas and photograph one of the world's most celebrated writers - an Irish-American author known for novels of thrilling literary darkness.

After her parents perish in a tragic accident, Cosima Saverio assumes leadership of her family's haute couture Italian leather brand. While navigating the challenges of running a company at twenty-three, Cosima must also maintain the four-hundred-year-old family palazzo in Venice and care for her younger siblings. Cosima navigates her personal and professional challenges with a wisdom beyond her years, but her success has come at a cost: Her needs are always secondary. She's married to the business, and her free time is given to those who rely on her . . . until she meets Olivier Bayard.

Sophia Alexander, the beautiful daughter of a famous surgeon in Berlin, has had to grow up faster than most young women. When her mother falls ill, Sophia must take charge of her younger sister Theresa, look after her father and the household, while also volunteering at his hospital after school. Meanwhile, Hitler's rise to power and the violence in her very own town have Sophia concerned, but only her mother is willing to share her fears openly. After tragedy strikes and her mother dies, Sophia becomes increasingly involved in the resistance.

Joan Sample is not living the life she expected. Now a widow and an empty-nester, she has become by her own admission something of a recluse. But after another birthday spent alone, she is finally inclined to listen to her sister, who has been begging Joan to reengage with the world. With Emmie’s support, Joan gathers the courage to take some long-awaited steps: hiring someone to tame her overgrown garden, joining a grief support group, and even renting out a room to a local college student. Before long Joan is starting to feel a little like herself again.