“Destruction and decay,” Perenelle murmured, “Dee’s calling card.” The tall elegant woman picked her way carefully into the room. Everything she touched either crumbled to dust or dissolved into a powder that gave off spores. The floorboards were spongy and sticky and creaked ominously with each step, threatening to send her into the basement below. Standing in the middle of the room, she put her hands on her hips and turned slowly. Her huge green eyes filled with tears. She had loved this bookshop; it had been their home and their life for a decade. They had worked at many careers through the centuries, but this bookshop more than any other reminded her of her early life with Nicholas, when he had been a scrivener and bookseller in Paris in the fourteenth century. Then, they had been simple, ordinary people, living unremarkable lives, until that fateful day when Nicholas had bought the Codex, the Book of Abraham the Mage, from the hooded man with astonishingly blue eyes. That was the day their mundane lives ended and they entered the world of the extraordinary, where nothing was as it seemed and no one could be trusted.

She turned to look at her husband. He hadn’t moved from the door and was staring around the shop with a stricken expression on his face. “Nicholas,” she said softly, and when he looked up, she realized just how much the last week had aged him. For centuries, his appearance had changed very little. With his close-cropped hair, unlined face and pale eyes, he’d always looked around fifty years old, which was the age he’d been when they started to make the immortality potion. Today, he looked at least seventy. Much of his hair was gone, and there were deep wrinkles on his forehead; more lines were etched into the corners of his sunken eyes, and there were dark spots on the back of his hands.

The Alchemyst caught her looking at him and smiled ruefully. “I know. I look old-but still, not too bad for someone who’s lived for six hundred and seventy-seven years.”

“Seventy-six,” Perenelle corrected him gently. “You’re not seventy-seven for another three months.”

Nicholas stepped forward and gathered Perenelle into his arms, hugging her close. “I don’t think that’s a birthday I’ll be celebrating,” he said very softly, his mouth close to her ear. “I’ve used more of my aura in the past week than I’ve done in the last two decades. And without the Codex…” His voice trailed away. He didn’t need to finish the sentence. Without the immortality spell that appeared once a month on page seven in the Codex, he and Perenelle would both begin to age, and death would follow quickly afterward as their accumulated years caught up with them.