Chapter 1

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DEDICATION For every kid who has ever built something amazing and then watched it disappear.

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The science fair project was gone.

Not misplaced. Not accidentally left on the bus. Gone. Vanished. Disappeared overnight from Room 214 of Crestwood Elementary like a magician's rabbit in reverse.

"It's gone," Ollie said, staring at the empty table where, yesterday, a spectacular model of the solar system had stood. Not a styrofoam-and-paint solar system — Ollie had built a motorized orrery with LED lights in each planet, a rotating sun powered by a small motor, and orbital paths traced in fiber optic cable. It had taken three months, forty-seven YouTube tutorials, and every cent of birthday money.

"It's GONE," Ollie said again, louder, to the empty classroom.

Ms. Takahashi, the fifth-grade teacher, found Ollie standing at the table with the expression of someone who has just watched their entire world disappear.

"Ollie? What's wrong?"

"My project. Someone took my project."

Ms. Takahashi looked at the table. She looked at Ollie. She looked at the table again, as if the solar system might reappear through sheer force of disbelief.

"Are you sure you didn't take it home?"

"Ms. Takahashi. I built a motorized solar system with fiber optic orbital paths. I would remember carrying it home."

This was a fair point. The orrery was the size of a card table and weighed fifteen pounds. You don't accidentally forget something like that.

The prime suspect, according to popular opinion, was Max Brennan. Max was in the other fifth-grade class, he was also entering the science fair, and his project — a volcano that erupted with real (baking soda) lava — was widely acknowledged to be less impressive than Ollie's orrery. Max had motive.

But Ollie wasn't interested in popular opinion. Ollie was interested in evidence.

"We need a detective," said Ollie's best friend, Sage, a ten-year-old with braids and an encyclopedic knowledge of mystery novels.

"We need two detectives," Ollie corrected. "You in?"

"Obviously. I've been preparing for this my entire life."

They set up headquarters at the back table of the cafeteria during lunch. Sage brought a notebook. Ollie brought a diagram of Room 214, drawn from memory, with the location of every project marked.

"First question," Sage said, clicking her pen. "Who had access to the room after school yesterday?"

"Is Mr. Evans a suspect?"

"Mr. Evans is sixty-seven years old and once told me his favorite hobby is watching birds. I don't think he's stealing science fair projects."

"Fair. Who else?"

Ollie thought. "The after-school program uses the gym, but they walk through the hallway past Room 214. Anyone could have seen the projects through the window."

They spent the rest of lunch interviewing witnesses. The after-school supervisor confirmed that twelve kids had been present. No one had left the gym unsupervised. The hallway cameras — Ollie checked with the front office — had been out of service since Monday due to a software update.

"Convenient," Sage muttered. "No cameras."

"Or coincidental. Not everything is a conspiracy."

"Everything is a conspiracy until proven otherwise. I read that in a book."

"That's a terrible book."

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On Friday morning — science fair day — Ollie and Sage had three suspects.

"We're approaching this wrong," Sage said, tapping her notebook. "We keep looking for who took it. What if we look at what happened to it? A fifteen-pound motorized solar system can't just vanish. Someone had to carry it somewhere. And it's not small — you can't hide it in a backpack."

"So either it's still in the school," Ollie said slowly, "or someone carried it out. And if they carried it out, someone would have seen them. Fifteen pounds, three feet wide, covered in LED lights."

"Let's search the school."

They got permission from Ms. Takahashi (who was now invested in the mystery herself) and spent first period searching. They checked every closet, every storage room, the backstage area of the auditorium, the faculty lounge (Ms. Takahashi looked — students weren't allowed), and the supply closet behind the gym.

Nothing.

Then Sage noticed something. "Ollie. The art room."

"What about it?"

"Ms. Ramirez was setting up the art show this week. She moved a bunch of stuff from the art room to the display hall. What if she accidentally took the wrong thing?"

They ran to the display hall, where Ms. Ramirez was arranging student artwork on folding tables. And there, on a table in the back corner, partially hidden behind a large papier-mache giraffe, was Ollie's orrery.

Ollie stared at it. Everything was intact — the motor, the LEDs, the fiber optic orbits. It hadn't been stolen. It had been misplaced.

"Ms. Ramirez!" Ollie called. "That's my science fair project!"

Ms. Ramirez came over, looked at the orrery, and gasped. "Oh no. Oh, Ollie, I am so sorry. I was moving things Wednesday evening and I thought — it was so beautiful, with all the lights — I thought it was an art installation for the show. I moved it with the rest of the artwork."

"You thought my motorized orrery with accurate planetary orbital periods was... art?"

"It IS art. It's the most beautiful thing in this room. Look at it."

Ollie looked at the orrery. The LED sun glowed amber. The planets orbited in their patient paths. The fiber optic trails shimmered like real stardust.

"Okay," Ollie admitted. "It is kind of beautiful."

Sage closed her notebook. "Case closed. No villain. Just a misunderstanding."

"That's a terrible ending for a mystery."

"It's a great ending for real life. In real life, most problems aren't caused by villains. They're caused by people making honest mistakes."

Ollie carried the orrery back to Room 214, where Ms. Takahashi had saved a spot on the display table. The science fair was in three hours, and Ollie's project was intact. But something else had changed. Max Brennan, who had heard about the missing project, came by during second period.

"Hey," Max said. "I heard your project was lost. That sucks. I'm glad you found it."

"Thanks, Max."

"Also, your solar system thing is way better than my volcano. I just wanted you to know I wasn't the one who took it."

"I know. I already cleared you."

"You cleared me? What are you, a detective?"

"This week? Apparently, yes."

Ollie looked at Max — a kid who, twenty-four hours ago, had been the prime suspect — and saw not a rival but a fellow science enthusiast who wanted to learn.

"Yeah," Ollie said. "I'll show you after the fair."

Because Sage was an optimist, but she was also a realist.

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The district science fair was held in the Crestwood gymnasium, which had been transformed from a place that smelled like rubber and sweat into a place that smelled like rubber, sweat, and baking soda (from the seventeen volcanoes).

Ollie's orrery was positioned at Table 14, between a project about soil erosion and a truly ambitious attempt to build a working periscope out of cardboard. The orrery hummed quietly, its LED planets orbiting in their calibrated paths, its fiber optic trails casting faint patterns on the white tablecloth.

"Explain your project," said the lead judge, a woman with silver hair and kind eyes.

Ollie took a breath. "This is a motorized orrery — a mechanical model of the solar system. Each planet orbits at a speed proportional to its actual orbital period. Mercury completes a full orbit in about fourteen seconds, which represents eighty-eight Earth days. Neptune takes about forty-five minutes, representing one hundred sixty-five Earth years. The sun is a central LED, and each planet's distance from the sun is scaled logarithmically because if I used true scale, Neptune would be in the parking lot."

The judge smiled. "How long did this take you?"

"Three months. I taught myself about gear ratios, LED circuits, and fiber optics. I made a lot of mistakes. The first version caught fire."

"Caught fire?"

"Small fire. Very contained. My mom was... concerned."

"I can imagine. What did you learn from the process?"

Ollie paused. This was the question that mattered — not how the project worked, but what it meant.

"I learned that the universe is really, really organized. Every planet follows its path. Every orbit is predictable. But it doesn't feel mechanical — it feels like... music. Like everything is moving in harmony, and if you pay attention, you can hear it."

"That's a beautiful answer."

"It's also scientifically accurate. Johannes Kepler called it 'the harmony of the spheres.' He believed the planets' orbits followed mathematical ratios similar to musical intervals."

The judge wrote something on her clipboard. Ollie couldn't tell if it was good writing or bad writing.

And Ollie's orrery won first place.

After the ceremony, Ollie found Ms. Ramirez.

"Ms. Ramirez, I wanted to say thank you."

"Thank me? I nearly cost you the science fair."

"You also said my orrery was the most beautiful thing in the display hall. Nobody's ever called my science project beautiful before. That meant a lot."

Ms. Ramirez smiled. "Science and art aren't as far apart as people think."

"I know," Ollie said. "Kepler knew that too."

Sage was waiting outside the gym, notebook tucked under her arm.

"How does it feel to be a district science fair champion?" she asked.

"It feels like I should share this gift card with the person who actually found my project."

"That's very generous. I accept. We're buying a microscope."

And that the universe — like the orrery, like the science fair, like the strange and wonderful business of being human — works best when everything moves in harmony.

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ABOUT THE AUTHOR Crimson Ark Publishing creates mysteries where the real discovery is that most people are better than you expect.