Hiding in plain sight

the long version

"When Bella learns of the murder of her beloved half brother by political extremists in Mogadiscio, she's in Rome. The two had different fathers but shared a Somali mother, from whom Bella's inherited her freewheeling ways. An internationally known fashion photographer, dazzling but aloof, she comes and goes as she pleases, juggling three lovers. But with her teenage niece and nephew effectively orphaned--their mother abandoned them years ago--she feels an unfamiliar surge of protective feeling"--Amazon.com.