"The House of Unexpected Sisters" is a captivating novel by Alexander McCall Smith that continues the adventures of the No. 1 Ladies' Detective Agency. The story revolves around the beloved character of Precious Ramotswe as she navigates new mysteries in Botswana. This time, she encounters an unexpected family connection with the arrival of a long-lost sister, complicating her life both personally and professionally. As Precious grapples with the implications of this revelation, she remains...