1873. At an abandoned château on the outskirts of Paris, a dark séance is about to take place, led by acclaimed spiritualist Vaudeline D’Allaire. Known worldwide for her talent in conjuring the spirits of murder victims to ascertain the identities of the people who killed them, she is highly sought after by widows and investigators alike. Lenna Wickes has come to Paris to find answers about her sister’s death, but to do so, she must embrace the unknown and overcome her own logic-driven bias against the occult.

Isabella Stewart Gardner’s museum, with its plain exterior enfolding an astonishing four-story Italian palazzo, rose from Boston’s Fens at the turn of the twentieth century. Its treasures encompassed not only masterwork paintings but tapestries, rare books, prints, porcelains, and fine furniture.

Five years after her husband's death, Maggie is finally ready to let go of him and the dreams she had for their future. A summer at Seabrook, where she and Ethan first became childhood sweethearts, seems the perfect time and place to find closure. Plus, she gets to spend time with his family, the Reynoldses, whom she loves like her own. Unbeknownst to Maggie, her brother-in-law, Josh Reynolds, has been in love with her since they first met all those years ago. But his brother ultimately won Maggie's heart, and Josh's unrequited love has ruined all his relationships.

Meet Harold Fry, recently retired. He lives in a small English village with his wife, Maureen, who seems irritated by almost everything he does, even down to how he butters his toast. Little differentiates one day from the next. Then one morning the mail arrives, and within the stack of quotidian minutiae is a letter addressed to Harold in a shaky scrawl from a woman he hasn’t seen or heard from in twenty years. Queenie Hennessy is in hospice and is writing to say goodbye.

Years ago, a reclusive mega-bestselling children’s author quit writing under mysterious circumstances. Suddenly he resurfaces with a brand-new book and a one-of-a-kind competition, offering a prize that will change the winner’s life in this absorbing and whimsical novel.