The Ferret in the Walls

It began six weeks after I took the night custodian job at the old Ludlow Public Library. The building was a Victorian relic, all creaking floors and stained glass, and the town council had decided it needed a human presence after hours, even though the alarm system was new. I figured it would be a quiet gig, a chance to read in peace and get paid for it. But the quiet was not peaceful.

At first, it was just a sensation, like the prickle of being watched from the darkened stacks. I’d turn, expecting to see a late patron or the building supervisor, but there was nothing. I chalked it up to old building jitters, the way the floorboards groaned under my weight, the way the radiators hissed like distant whispers. But then the books started moving. Not dramatically, not like in a haunted house movie. It was a subtle thing: a volume on the ‘Local History’ shelf would be a few inches from where I’d left it, or the card catalog drawer would be slightly ajar. I thought I was losing my mind, or that maybe the cleaning crew was playing tricks.

Then I saw the creature. It was a small shape, darting between the stacks near the children’s section, and I caught a flash of gray and a long, sinuous tail. I thought it was a rat, but it was too big, and too deliberate. I followed it, and that’s when I found the hole in the wall behind the poetry section. It was ragged, as if something had clawed it open from the inside, and it smelled of damp earth and old paper. I kneeled down and peered in, but it was too dark to see anything. I told myself I’d get the maintenance guy to patch it up in the morning.

But the next night, I heard it. A soft, rhythmic scratching, coming from inside the wall. It would pause, then start again, like something was digging. I put my ear to the plaster and heard a faint, high-pitched chittering. I remembered stories about ghost mice in old libraries, but this didn’t sound like a mouse. It sounded almost… human. Like a child mimicking an animal. I decided to investigate, armed with a flashlight and the library’s old metal flashlight that I’d liberated from the supply room.

I found a service door in the basement that led to a crawl space under the main floor. It was dusty, web-filled, and I had to squeeze through a narrow opening. The scratching was louder there, and I could hear it moving, following me. I shone the light into the gloom, and I saw a pair of eyes reflecting back. They were amber, and they blinked slowly. Then the thing scurried away, and I saw a flash of what looked like a child’s hand, small and pale, but with long, sharp nails.

I began to see it more often. It would be perched on top of the tall shelves, watching me with those unblinking eyes. It would leave little gifts: a button, a dried flower, once a child’s shoe. It seemed curious, not malevolent, but it made my skin crawl. I started to leave it offerings of my own: a piece of cheese, a scrap of bread. It would take them, and the scratching would turn into a low, almost contented hum. I began to feel a strange kinship with it, this creature that lived in the walls, sharing my solitude.

One night, I heard a child crying. It was coming from the children’s section, and when I went to investigate, I found a little girl sitting in the corner, her face buried in her hands. She was wearing a pinafore, like something from a hundred years ago. ‘Are you lost?’ I asked. She looked up, and her eyes were the same amber as the creature’s. ‘I’m not lost,’ she said. ‘I live here.’ She pointed to a small door in the wall that I’d never noticed before. It was painted to match the wallpaper, almost invisible. She crawled through it, and she was gone.

I stood there, my heart hammering. I pushed on the little door, and it swung open, revealing a narrow staircase leading down. I descended, and I found myself in a small, dusty room, lit by a single flickering bulb. There were old-fashioned toys on the floor, and a child’s bed, and a picture on the wall of a family with a young boy. The boy in the picture was the same boy I saw in the library earlier, the one who’d run past me in the children’s section, wearing a sailor suit.

I realized then that the library had been built over something older, maybe a house that had been torn down, and that the children from that house were still here, trapped in these walls. The scratching sound was them playing, not digging. And the amber eyes belonged to something else, something that was guarding them.

But I didn’t care. I felt a strange protectiveness over this secret, and I started to visit that little room every night. I’d sit on the dusty floor and tell them stories, while the ferret-like creature watched from the shadows. It seemed to approve. I even brought a blanket for their bed.

Then one night, the scratching stopped. The room was cold, and the children were gone. The ferret creature was gone too. I was alone, and for the first time since I started, I felt truly alone. I searched everywhere, but there was no sign of them. And then I heard it: a faint, high-pitched voice from inside the wall, calling my name. I pressed my ear to the plaster, and it said, ‘Come play with us.’

I haven’t been back to the library since. But sometimes, at night, I hear that scratching inside my own walls. And I know they followed me home. They want me to join them, to be their friend, to live in the walls with them. And the worst part is, I’m starting to think it’s not a bad idea.