These days, even the smartest hotels do away with bedroom minibars.  Luckily, at Hotel Arcadia they still exist, and one of them proves to be a godsend.If you’ve ever wondered how war corres­pondents can bear witnessing the suffering it is their duty to record, an answer is suggested by this elegantly plotted, psychologically subtle and almost unbearably exciting thriller. Sam, the nearly heroine, is an adrenaline junkie and as hard-nosed as they come. A prize-­winning photo journalist, she has covered every conflict since the Balkans and is famous for her enigmatic, distanced pictures of the dead. Empathy she sees as a “terrifying human fragility” and does her best to avoid it. She doesn’t do weeping, binding of wounds, rescuing. Sometimes, grieving r