The treehouse did not belong to anyone, which meant it belonged most strongly to the children who were already inside.
It stood in a strip of woods behind an empty property, high enough to feel private and low enough that a fall would probably produce a cast rather than a funeral. Its boards did not match. A blue tarp covered half the roof. The rope ladder had been tied and retied by hands of different sizes and varying competence.
Inside were two old blankets, a flashlight, a deck of cards, and a notebook swollen from damp weather. Children had drawn plans in it for additions that would never be built: a second floor, a lookout tower, a zip line crossing a distance no available rope could cross.
Nobody had constructed the treehouse. Nobody knew who had.
That mystery was part of the deed.
Four older children used it most days that summer. They rode out after breakfast, left their bikes in the weeds, and climbed into the same arrangement. One sat beside the hatch. One took the corner beneath the tarp. The newest child stayed where she could see everybody.
The older sister brought the younger one on a Tuesday because their mother had errands in Decatur.
“She can stay for a little while,” the sister said as they reached the clearing.
No one objected.
No one made room either.
The younger girl climbed the ladder carefully and sat near the opening with her knees against her chest. The others were discussing the zip line. A rope was stretched across the floor. One child argued for a blanket as a seat. Another explained that a blanket was not the main problem.
The younger girl followed the conversation with her eyes.
After half an hour, they gave up on the zip line and began a card game. Someone asked whether the younger girl wanted to play.
Her sister looked over.
“She's fine.”
The girl said nothing.
On the ride home, she pedaled hard enough to remain beside her sister.
“They didn't talk to me.”
“They didn't not talk to you.”
“That's different.”
The older sister knew it was different. She also knew there were parts of a life a person did not want to share with a younger sibling. At home she was one of two girls whose names were often spoken together. At the treehouse, she had one name and a place beneath the tarp.
She did not know how to explain that without sounding cruel, so she became cruel in a smaller way.
“It's just not really your thing.”
The younger girl stopped asking.
A week later, half the playing cards disappeared.
The children blamed unnamed outsiders. It did not occur to them that the cards might be beneath a blanket or in somebody's backpack. Uncertainty wanted hardware.
One child brought a padlock and several copied keys.
“It's not to keep people out,” he said. “It's just so we know who comes in.”
This sentence sounded reasonable and felt wrong.
They voted. The lock won.
For several days, nothing changed. Each child had a key. The lock clicked open. The lock clicked shut. The treehouse became more officially theirs.
Then the child who had bought the lock began arriving first. He climbed up and fastened it from the inside. When the others came, they knocked.
“Who is it?”
He knew who it was. There were three bicycles below.
Still, they answered.
The keys in their pockets no longer mattered. Access depended on the person above the hatch.
One afternoon, the newest child climbed halfway up, saw the lock, and went home without knocking.
Another child objected the next day.
“If we all have keys, we should all be able to get in.”
“You can get in. Just knock.”
“That's not the same thing.”
The argument ended without agreement. Most childhood governments work that way.
Two days later, someone reached the treehouse before the lock's owner. He opened the hatch, climbed in, and left the padlock hanging loose.
When the owner arrived, he put one hand on it.
“Aren't you going to lock it?”
“Other people might come.”
“We can let them in.”
“They have keys.”
The owner held the lock for a moment. Then he set it in the supply box.
Nobody put it back on.
The older sister brought the younger one again near the end of August. Their mother had not asked her to. That changed the visit.
This time, the girl did not sit beside the hatch. She examined the rope ladder from above and noticed a strand beginning to fray near the third rung.
“This is coming apart.”
One of the older children leaned over.
“It's been like that.”
“Then why are we still using it?”
They had no answer that could survive being said aloud.
The girl pulled the roll of tape from the supply box. Tape was not a proper repair, and everyone knew it, but she wrapped the strand tightly enough to mark the danger until they could replace the rope.
Then she found the missing cards beneath a folded blanket.
There were eleven, along with a candy wrapper and a pencil.
No outsider had taken them. No invasion had occurred. The lock had protected the treehouse from a person who did not exist.
The owner of the lock counted the cards twice.
“I thought there were more missing.”
“Maybe,” the younger girl said.
She did not make him feel worse. That kindness was visible to everyone except the person performing it.
They played a game with the cards they had. The younger girl lost first, then stayed beside her sister and watched. On the next hand, somebody dealt her in without asking.
Nothing was announced. The group did not become fair in a single afternoon. Children rarely improve with that kind of efficiency.
But when the game ended, the younger girl wrote her name in the damp notebook. She put it beneath the older names without drawing a line between them.
School began the following week.
The treehouse emptied the way childhood places do. Not after a fight, and not all at once. One child had practice. Another had homework. The newest friend began eating lunch with somebody else. The older sister and the younger one rode past the clearing a few times and said they might stop on the way back.
They did not.
By autumn, the blue tarp had torn at one corner. The padlock remained in the supply box beside keys cut for children who no longer needed entry.
For a while, they had believed the important question was who owned the place.
The treehouse had been asking a different one.
When someone reached the door, what kind of people would be waiting inside?
