30 Nathan kept his eyes shut as he groped on his bedside cabinet for his phone. When he found it, he opened his eyes briefly so he could see to accept the call that had woken him; the phone vibrated one final time in his hand and then it was still. “Stone,” he grunted. He didn’t know what the time was, and he wasn’t sure he wanted to know; it was the middle of the night, that was enough for him. He hoped the reason for the call was a good one, and his sleep hadn’t been disturbed for something trivial. “Detective Inspector Stone?” The question was asked in a low, rough voice. Nathan’s eyes snapped open and he sat up quickly. There were not many reasons for someone to call him in the middle of the night, and fewer still for that person to try and hide his identity, and all of them made i

