Do You like book The Shape Of Sand (2005)?
"Life at Charnley was blessed, or at least so it seemed to the Jardine children. But one night their dreams of a propitious future suddenly come crashing down when a family scandal catapults them into the headlines. Nearly four decades pass and the Second World War is won, but still the exact events of that fateful night remain unknown. However, when builders working on Charnley uncover a shoebox stuffed full of old letters, photographs, and a diary, it finally seems as though some of the answers are within reach. The clue to unraveling the affair lies in a voyage to Egypt undertaken by Beatrice eleven years before her disappearance. With the help of her old diary, Beatrice’s three daughters set about uncovering the truth. But when the mummified body of a brutally murdered woman is discovered in the ruins of their old home, they have a whole new set of questions."
—Melissa
Great character development an absorbing plot. A suspense novel set in post WWII Britain. In 1946, when Harriet Jardine receives a cardboard box of letters and notebooks found during the demolition and remodeling of Charnley, her family's former country house, she knows that she and her two sisters will have to face memories they would rather leave alone—in particular, their mother's disappearance decades earlier after an elaborate birthday party. Determined to seek out the truth, Harriet and her sisters act on one clue to their mother's fate by organizing a trip to Egypt, but when a mummified body turns up in the walls of Charnley, Harriet looks for answers closer to home.
—Amy