I slipped back to the office and closed the door, then cast a lock spell to seal him inside. I needn't have bothered. Cary obviously had no intention of risking his neck, and chose instead to sit behind his big desk and play dumb.

The hallway was fully enclosed, flanked by rows of shut doors, with the stairs along the left wall. I motioned for Savannah to follow, then quickstepped across the hall and wheeled around so my back was against the other wall. Again, I slid sideways, this time stopping two feet from the stairs.

"Wait," Savannah whispered.

I waved her to silence and leaned toward the stair opening. Savannah grabbed my sleeve and jerked me back, then gestured for me to crouch or bend before looking out. Okay, that made sense, instead of sticking my head out exactly where someone would expect to see it. I crouched and glanced down the stairwell. Empty. I scanned the waiting room below. Also empty. Five feet from the base of the stairs lay my goal. The front door.

As I pulled back, I caught a glimpse of reflected sunlight, froze, then checked again. The front door was open an inch or two. Had Savannah left it ajar when we came in?

I turned to Savannah.

"Cover," I mouthed.

Her lips tightened. Defiance flashed in her eyes. Before she could open her mouth, I locked glares with her.

"Cover now," I hissed.

Another flare of anger, then she lowered her eyelids. Her lips moved and, when they finished, she was gone. Invisible. So long as she didn't move, no one would see her. I paused a second, making sure she was staying covered, then crept into the stairwell.

It took an eternity to descend. Step down, pause, listen, duck and look, step down again. Coming down a staircase is more dangerous than you'd imagine. If the stairs are enclosed, as these were, then someone standing on the lower level will see you long before you can see them. Hence the stopping, ducking and looking, which made me feel safer, though I doubted it would have saved me from anyone standing below with a gun.

Actually, I wasn't too worried about guns; supernaturals don't usually use them. If Leah was down there, she'd more likely use telekinesis to yank my feet from under me and drag me down the stairs, breaking my spine so I'd still be alive, lying at the bottom, paralyzed, when she crushed me with a flying file cabinet. Much better than being shot. Really.

When I finally reached the bottom, I lunged for the door handle. I grabbed it, yanked-and nearly flew face first into the wall when the door didn't move. Once I'd recovered my balance, I looked around, and tugged the handle again. Nothing. The door stood an inch open, yet would neither open nor close. A barrier spell? It didn't seem like one, but I cast a barrier-breaking incantation anyway. Nothing happened. I grabbed the door edge. My fingers passed through the crack without resistance, but I couldn't pull it open. I cast an unlock spell. Nothing.

As I stood there I was keenly aware of time passing, of standing here in plain sight, yanking on the door, an easy target, and of Savannah hiding in the upper hall, undoubtedly losing patience.After one last round of breaking-spells, I flung my back against the wall and caught my breath.

We were trapped. Really trapped. Any moment now, Leah and Sandford and God knows what other kind of supernaturals would arrive and we'd-

For God's sake, Paige, get a grip! The front door's barred. Big deal. How about another door? How about windows?

I glimpsed sunlight glinting through the doorway behind Lacey's reception desk. Staying close to the wall, I eased a few feet left, so I could glance through the doorway. It led into a large meeting room and at the back of that room was a huge set of patio doors.

I hunkered and bolted across the room. Then I inched along the opposite wall toward the doorway. As I slipped into the other room, a shadow flashed across the sunlit floor. I ducked behind an armchair, barely daring to breathe, knowing the chair did little to hide me. I cast a cover spell.

The shadow danced across the floor again. Had I already been spotted? I glanced left, being careful to move only my eyes. The shadow returned, skipping over the floor. Realizing it was too small to be a person, I looked up and saw tree branches fluttering in the wind just outside the patio doors.

As I was easing from behind the armchair, footsteps pattered across the front hall. I zipped back and cast another cover spell. The steps turned left, receded, then returned, went too far right, nearly vanishing into silence, then came back again. Searching the rooms. Were they coming my way now? Yes… no… they paused. A squeak of shoes turning sharply. More steps. Growing louder, louder.

I closed my eyes and prepared a fireball spell. When a shape moved through the doorway, I launched the ball. A fiery sphere flew from the ceiling. I tensed, ready to run. As the ball fell, the intruder yelped, raising her arms to ward it off. Catching sight of her face, I flew from my hiding spot and knocked her out of the fireball's path. We hit the floor together.

"You promised to teach me that one," Savannah said, disentangling herself from my grip.

I clapped a hand over her mouth, but she pulled it away.

"There's no one here," she said. "I cast a sensing spell."

"Where'd you learn that?"

"Your mom taught me. It's fourth level. You can't do it." She paused, then offered an ego-consoling, "Yet."

I took a deep breath. "Okay, well, the front door's barred somehow, so I was going to try that one." I waved at the patio doors. "They're probably jammed, but maybe we can break the glass."

Again, we moved against the wall, in case someone outside was looking in. When I reached the doors, I peeked out. The patio opened into a tiny yard, grass-free, low-maintenance, covered with interlocking brick and raised beds of perennials. As I reached for the door handle, a shadow flickered across the yew hedge at the rear of the yard. Assuming it was another waving tree branch, I stepped forward. Leah was standing against the bushes. She lifted a hand and waved.