The Lost Jewels of Room 713

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About the Book

Bea and her cousin Céline tackle another cryptic mystery—this time in the streets of New York City—when Aunt Juliette is accused of a jewel theft in this “delightful” (School Library Journal) installment in the Bea Bellerose Mystery middle grade series that’s perfect for fans of The Swifts and The Misfits.

It’s springtime in New York, and Bea can’t wait for her cousin Céline and Aunt Juliette to visit. The girls are looking forward to a fun week of sightseeing, while Aunt Juliette is there to write a profile on a famous French actress, Eva, who’s starring in a stage adaptation of Agatha Christie’s The Mystery of the Blue Train.

But when the priceless diamond necklace Eva plans to wear on opening night is stolen from her hotel suite—and Aunt Juliette is accused of the theft—Bea and Céline find themselves once again at the center of a mystery. With help from the hotel owner’s son, the two girls embark on a scavenger hunt across the city, following clues left by an anonymous helper.

But can Bea and Céline trust this person to have their best interests at heart—and can they find the evidence to clear Aunt Juliette’s name before her fast-approaching court date?

Excerpt

Chapter 1 • 1 •
The first hint that something was wrong came with a siren wailing down Park Avenue. After a long day of window-shopping with her cousin Céline, Bea barely noticed the sound as it passed by. It blended into the background among the honking horns, rumbling engines, and hissing manhole covers of Midtown Manhattan—just one more noise in a city full of them. But when she and Céline reached their hotel a couple of blocks later, Bea couldn’t ignore the flashing lights bathing the sidewalk in a red-and-blue glow.

“What’s going on?” Bea muttered to herself as she pushed past the crowd at the doorway. Inside, the usually tranquil lobby had turned into a place of chaos, packed with anxious guests demanding answers from police officers and harried hotel staff. All the while a pianist in the corner continued to play, his soothing melodies almost entirely drowned out by the hubbub.

Céline pointed across the room. “Look, there’s Eva!”

Stepping out of the elevator was the actress Eva Rousseau—the subject of their aunt’s magazine profile, and the reason why Céline and Aunt Juliette were in New York in the first place. In a gray sweatshirt and joggers, Eva could’ve almost passed for a college student on her way to class. But no, it was definitely her. The glamorous movie star they’d met the day before really was being escorted from the building in her workout clothes by two stern-faced officers.

“Is she being arrested?” Céline asked, incredulous.

“Uh-uh. She’s not wearing handcuffs,” Bea said. “Maybe they’re moving her to safety.”

“I hope Aunt Juliette’s okay.”

Bea tried calling their aunt, but her phone just rang and rang, then went to voicemail.

“Let’s ask him.” Céline pointed to a boy with light brown skin and curly black hair who had just come through an employee-only door and was crossing the lobby. He wore a crisp white shirt and dress pants, and looked around their age, maybe a little older.

They caught up with him.

“Excuse me, do you work here?” Bea asked.

“Uh, not really.”

Céline pointed a manicured finger at his chest. “Then why do you have a name tag?”

He glanced down at his shirt, where ZANE was spelled out in block letters. “Oh, yeah, my mom made me wear it—my family owns the hotel. I’m just helping out over spring break.”

“Well, Zane,” Céline said sweetly, “I’m Céline, and this is my cousin Bea. Can you tell us what’s going on? Why are the police here?”

“I’m not really allowed to say.”

“Please?”

He turned to leave. “I should go.”

Céline touched his arm and fluttered her eyelashes. “We’re really worried about our aunt. She’s not answering her phone.”

Zane paused for a moment. “You didn’t hear it from me, but”—he checked over his shoulder and lowered his voice—“a VIP’s jewelry was stolen. That’s why the police are here.”

Bea and Céline stared at each other. “Eva’s necklace!” they shouted in unison.

“Shh!” Zane said, holding a finger to his lips. “How did you…?”

They had seen it for themselves in Eva’s suite the previous day: the famous Tiffany Yellow Diamond. Eva was borrowing it to wear to the opening night of her Broadway play, which was—Bea checked the time—just hours away.

“Our aunt knows Eva,” Céline boasted. “She’s a jour—”

Bea nudged her. “A friend of hers.” There was no need for this boy to think a journalist was sniffing around for information.

“Yeah, they’re friends, and we know Eva too,” Céline said, catching on. “Is she okay?”

He narrowed his eyes. “Promise you won’t tell anyone?”

“We promise,” Bea replied.

“Well,” Zane whispered, “she’s fine, but her security guards were drugged. Rumor has it the thief was someone she knew.”

“Huh.” Bea mentally scrolled through the various people they’d met in Eva’s suite the day before. Was he talking about Paul, Eva’s stylist? Or maybe Gus, her manager? Or her assistant, Nicole? None of them struck Bea as a likely suspect.

As she pondered the identity of the thief, a movement in the corner of her eye caught her attention. The elevator opened, and this time it was Aunt Juliette entering the lobby, accompanied by two cops, with her hands behind her back.

The girls rushed over to her, dodging the other guests standing in their way.

“Are you okay?” Céline asked.

“Don’t worry, girls. The police just want to ask me a few questions.” Her calm words were betrayed by the troubled expression on her face.

“Can we come with you?” Bea pleaded.

“No, no, no. Go to your room and call your dad. Tell him to send Alain to the Midtown East police station.”

“Alain?” The only Alain that Bea could think of was her dad’s old friend from Paris, who had moved to New York for college and never left.

Before Aunt Juliette could say anything else, the officers marched her outside and into a police car. Bea and Céline chased after her and watched from the curb as the car screeched away.

They stood there in silence.

Eventually Céline asked, “Who’s Alain?”

“A lawyer,” Bea said glumly.

About the Author

Photograph by Jo Beckett-King

Originally from the North of England, Jo Beckett-King spent several years in Paris after graduating from university. Following a stint in New York, she now lives with her husband and son in San Francisco, where she writes and works as a French–English translator. In addition to her middle grade fiction, Jo writes for adults; her short stories have been listed for the Bridport Prize and the Bristol Short Story Prize in the United Kingdom. Visit her at JoBeckettKing.com.

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Raves and Reviews

Bea and her cousin Celine have planned a fun tourist visit in New York City while Aunt Juliette spends a week interviewing and shadowing French actress Eva Rousseau. But their plans quickly take an unexpected turn when the ­Tiffany ­Yellow Diamond is stolen from Eva’s room and Aunt Juliette is arrested! Bea and Celine team up with the hotel owner’s tween son Zach to solve the crime and set Aunt ­Juliette free. While danger does not abound, someone is sending the girls clues leading them all over the city. Can this person and their agenda be trusted? In this solid second “Bea Bellerose” mystery, Beckett-King hits another one out of the park with relatable characters, fun NYC facts, and a neatly solved mystery complete with red herrings and a diverse cast of characters. Readers may need to suspend some disbelief that parents would allow their tween children to explore NYC without an adult and merely with phone trackers enabled. There are tween discussions of crushes, first dates, and kisses. Overall, this is a gentle, well-written read that can be enjoyed just as much as a standalone. Bea is cued white. VERDICT A delightful addition for mystery-loving tween readers; purchase where the first book has been popular. 

– School Library Journal, 6/1/26

In the second Bea Bellerose title, Bea and her French cousin Céline return, this time unraveling a mystery in Manhattan. Bea is looking forward to a week of sightseeing on her home turf with fashion-forward Céline and their Aunt Juliette, who is writing a profile on glamorous film star Eva Rousseau. But when the famed Tiffany Yellow Diamond is stolen from Eva’s room and Aunt Juliette is taken into custody, the girls team up with the hotel owner’s son to find the real culprit and recover the jewels. What follows is a scavenger hunt–style tour of New York City, with clues guiding the girls to such attractions as Grand Central's whispering gallery, the High Line, and the Empire State Building. With the well-developed Big Apple backdrop, larger-than-life characters, and numerous red herrings, the story moves at an engaging clip to the satisfying conclusion. A secondary plotline about Bea’s father pursuing a job in London sets the stage for a third big-city mystery. Great for readers in search of detective stories with a little romance and high-society style. 

– Booklist, 06/01/2026

When their aunt is accused of stealing a priceless diamond, cousins staying in a fancy hotel get on the case.

Tween cousins Bea and Céline Bellerose, who had Parisian adventures in The House of Found Objects (2025), are reunited in New York City, where their Aunt Juliette, a journalist, is interviewing French actor Eva Rousseau about her first Broadway role. But when the Tiffany Yellow Diamond necklace Eva is borrowing goes missing, Aunt Juliette is arrested, and the girls investigate, hoping to catch the real thief and prove her innocence. Someone is leaving the girls clues—but are they bringing them closer to the truth, or are they meant to distract? Bea and Céline get help from Zane, the hotel owner’s son (on whom Céline has a crush), as they rush around Manhattan, following clues to landmarks like Grand Central’s Whispering Gallery and the Empire State Building. Technology plays a crucial role, from trackers in suitcases to using a phone for research to surveillance footage. The girls have a lot of independence, though Bea’s parents, who live in New Jersey, check up on them occasionally. Red herrings and Agatha Christie references abound in this zippy, fast-paced mystery. The clashing personality differences between the cousins in the first book have eased; they’re kind and supportive to each other, so the story’s tension comes from the developing mystery and high stakes as Aunt Juliette’s court date approaches. Main characters are cued white.

Read this in a New York minute. (Mystery. 9-13)

– Kirkus Reviews, May 15th issue 

Awards and Honors

  • Junior Library Guild Gold Standard Selection

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More books from this author: Jo Beckett-King

More books in this series: A Bea Bellerose Mystery

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