
When I started October 31, I gave myself one rule: every story had to take place on the last night of October. Not the week of Halloween, and not “around the harvest.” The date, every time, printed at the top of the story like the heading on a field report.
People have asked why. The short answer is that it’s a very old night, and it’s been a dangerous one for longer than anyone has called it Halloween.
The night was busy long before the name
In Ireland and Scotland, the night of October 31 opened Samhain, the turn from harvest into winter. It was understood as a hinge in the year, a night when the boundary between this world and the other one wore thin. Things crossed. People disguised themselves, kept fires, set food out, and thought hard about who they let through the door.
The church laid its own calendar over the same days. November 1 became All Saints’ Day, or All Hallows. The night before it was All Hallows’ Eve, which is where Halloween comes from. November 2 is All Souls, the day for praying for the ordinary dead. For centuries, across Catholic Europe, the end of October was already the start of a season about the dead.
Other things happened on that date too. On October 31, 1517, Martin Luther is said to have posted his ninety-five theses in Wittenberg, and Protestant countries still keep it as Reformation Day. In Mexico, the Days of the Dead begin as October ends. Different traditions, different reasons, and yet everyone seems to agree that the end of October is when you turn to face the dead.
What the rule forced
Writing thirty-one stories on the same date did something I didn’t expect. The date is constant, so everything else has to change. The century, the country, the language, the danger. Every story has to answer the same question differently: what does this night mean here, to these people?
In 1653, in a Puritan village in Massachusetts Bay, the answer is nothing, officially. The Puritans didn’t keep saints’ days, so it’s an ordinary weekday. But a meetinghouse bell is ringing that isn’t the Sabbath ring, and a girl has to decide whether to walk out and watch.
In 1665 London it’s the plague year, and the date means only that the weekly bill of the dead has come around again.
In the 1830s it’s a date pressed into a whaling captain’s private chart, one he has been sailing back toward for nine years.
In 1996 it’s a Thursday on a South Texas ranch, and the only thing anyone cares about is the third dead goat.
In a few stories the date is the whole point: the banshee, Stingy Jack, the carnival that only runs one night a year. In others, the characters don’t even notice it’s October 31 until something makes them. That was the fun of it. Sometimes the date is the danger, and sometimes it just shows up on the calendar in the kitchen.
The warnings are the thread

What ties the stories together is the thing the whole There Be Monsters series is built on: the old warnings.
The book opens with a page called “The Warning.” Part of it reads:
> The old warnings were rarely elegant. Do not answer. Do not look. Leave before dark. Feed it first. Count them twice. Keep your hands where the house can see them.
>
> They survive because somebody, somewhere, came home frightened enough to tell the next person what had worked.
Every story is about one of those rules and the person who has to decide whether it’s true. A country doctor who trained in Vienna and doesn’t believe in the valley’s precautions. A woman in a 1544 household who set the bowl down wrong. A trapper who knows his partner always made a point of being under a roof with a fire going before dark on the last night of October, and never asked why.
On October 31 the rules are strictest, so it’s the best night to find out who breaks them.
Why thirty-one, and why in order
Thirty-one stories, one for every night of the month. You can read October 31 in any order you like. Every story stands alone. But the order isn’t random. The early stories are quieter and the pressure builds through the month. The last story is the title story, set in the present, in a small town, and it’s the one where all the warnings in the book begin sounding at once. It’s meant to be read on Halloween.
That’s what the 31 Nights challenge is: read one story each night in October and finish on the thirty-first. There’s a free printable calendar with every night’s dateline, and I’ll post a companion piece here for each story covering the real history or folklore behind it. Get the calendar →
The date is the same for everyone
That’s what I like most about the rule. Every character in the book, from the 1400s stonecutter to the waitress in the diner tonight, is standing on the same night of the year. None of them know about each other. All of them are listening for something.
This year you’ll be standing on it too.
Get October 31 on Amazon → · Free with Kindle Unlimited
T. P. Grimbard
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