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Exciting mysteries with heart, for readers 8-12

In the Waldameer Mystery Files children's books, siblings Seth and Julia solve mysteries at Waldameer & Water World in Erie, Pennsylvania. ​The kid detectives follow clues, outsmart bullies, and make unexpected friendships--all while learning real Waldameer history.

Each book in the Waldameer Mystery Files series promotes themes of teamwork, honesty, diversity, empathy, and second chances.

The Waldameer Mystery Files series is written by David Gorman, whose family owns and operates Waldameer. 

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Waldameer Mystery Files, Book 1

Summary: Seth and Julia Ambrose practically live at Waldameer, the local amusement park. While showing their friends Tyren and Anh around, they find an old locket near the carousel. Where did the locket come from? How long has it been lost? But most importantly, whose is it? Follow Seth, Julia, Tyren, and Anh as they search for clues, outsmart bullies, and make unexpected friendships in their first Waldameer mystery!

Ages: 8-12

Themes: Friendship, Second Chances

Featured Ride: Carousel

“Very enjoyable read. Any fan of Waldameer Park will enjoy it.” - Suzanne

"My kids loved to read a story based on a real location they've visited before! The suspenseful end of each chapter wanted them to keep reading.” - Amanda, parent

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Waldameer Mystery Files, Book 2

Summary: After a masked figure scares Seth and Julia in the Whacky Shack, strange things start happening. Some say the ride is haunted by an angry ghost. Who is causing all the trouble? Is this related to the award ceremony happening in a few days? From the ambitious journalist to the pushy salespeople, there is no shortage of suspects. Join Seth, Julia, Tyren, and Semira as they race to protect one of Waldameer's most beloved rides!

Ages: 8-12

Themes: Teamwork, Integrity

Featured Ride: Whacky Shack

"(The author) is wonderful at keeping you wondering what will happen next. This is a great book for upper elementary school children!" - Alysabeth, teacher
"No objectionable material whatsoever. Clean and fun!" - Sue, parent

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Waldameer Mystery Files, Book 3

Summary: When Seth and Julia are approached by a secretive man and asked to solve a decades-old scavenger hunt, they accept. But they're not the only detectives the man has recruited for this Waldameer mystery. Can Seth and Julia find the treasure before the team of cheaters? Who is the mystery man and why does he always wear a disguise? The latest Waldameer mystery sends Seth, Julia, Bek, and Semira on a puzzling race as they compete to solve the curious clues!

Ages: 8-12

Themes: Empathy, Overcoming Fears

Featured Ride: L. Ruth Express train

"I absolutely loved this book!" - Chris, librarian
"My daughters and I had a lot of fun reading these Waldameer Mystery Files books together...We also loved that Seth and Julia had such a diversity of friends." - Melissa, parent

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Waldameer Mystery Files, Book 4

Summary: When a social media star named Lux claims the Mega Vortex ride is actually an alien spaceship, people believe him and stop riding it. He also says the aliens gave him superpowers to use in the Waldameer arcade. Seth and Julia are doubtful, but Lux proves it by playing countless perfect games of Skee-ball. Does Lux have Skee-ball superpowers, or is he cheating? Aliens can’t really be at Waldameer, can they? The detectives need to figure out what’s fact and what’s fake. Join Seth, Julia, Anh, and Omar as they search for evidence of aliens!

Ages: 8-12

Themes: Critical Thinking, Internet Smarts

Featured Ride: Mega Vortex

"This fun mystery will keep readers engaged to the very end! Highly recommended for upper elementary and middle students.” - Donna, librarian

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