RILEY

I saw my grandmother's face in the window of a coffee shop that didn't exist anymore. She smiled at me, waved, then faded like smoke. The coffee shop faded too. The whole street dissolved into nothing, leaving only empty land. But for three heartbeats, I'd seen it all perfectly. Smelled the roasted beans. Heard the jazz music playing. Felt the warmth of sunlight through glass.

"Riley?" Marcus touched my shoulder carefully. "You okay?"

"I just saw Grandma." My voice sounded far away, even to me. "She died two years ago. But she was right there, in that coffee shop in Vancouver. Except Vancouver doesn't exist anymore, does it?"

Marcus's...