★It is created by Lydia, a well-known children's writer, prolific writer, and the winner of the “Great White Whale Original Children's Literature Outstanding Work Award”, whose works have touched millions of readers with the unique charm and deep emotions!
★The detective stories written by the author, with their meticulous logical reasoning, suspenseful and tense plot, and unexpected plot developments, are highly loved by a wide range of readers!
★Reasoning ability + judgment ability + logical ability, a combination of three forces to compete! Challenge your thinking, and see who can solve the case first!
★Compare courage, compete in wisdom, with a clock-like precision in thinking and logic, indulge in the detective experience amidst a web-like complex story structure!
★Follow the three school detectives with distinct personalities, supported by high-tech means, to unravel mysteries one by one, and comprehensively cultivate children's abilities in exploration, observation, judgment, analysis, reasoning, and logic.
★The author meticulously lays out the plot and cleverly sets traps, with a roller-coaster plot that allows you to truly experience the magic of reasoning wisdom!

This series includes 21 titles:
"The Vanishing Dance Partner"
"The Motorcycle Thief"
"The Green-Clad Hero"
"The Invitation to Death"
"The Valley of Germs"
"Devil's Lake"
"The Sacred Beast of the Ancient Temple"
"The Phantom Ship"
"The Graveyard Stage"
"The Red-Dressed Girl in the Secret Room"
"The Gem Theft Case"
"The Zombie in the International Hotel"
"The Dust-Covered Secret Room"
"The Trap in the Friendship Association"
"The Cursed Haunted House"
"The Mystery of the Missing God of Gambling"
"Preventing a Murder"
"The Millionaire Goes Mad"
"The Hatter's Mysterious Subpoena"
"The Lord of the Ancient Castle"
"Keep Away from the Night Watchman"

The renowned children's literature author Lydia's special feature includes 58 books:
Super Detective Trio series(21 books)
Cowards in Action series(11 books)
Help with Magic Series(9 books)
The Young Adventurers' Team series(6 books)
Ice Cream Spirit series(4 books)
The Odd House series(4 books)
Young Detective Polo series(2 books)
The Green Light Forest

The Three Musketeers of Detectives each received a strange letter. The sender said that the castle he purchased was very strange. Every night, people from the paintings would hold a ball in the castle. Curiosity prompted the three detectives to visit the castle. However, before they could even enter the castle, they found themselves in danger. They walked into a maze of tree walls and got separated. What's more terrifying is that someone wanted their lives. Sandy felt that this maze had innumerable connections with Leonardo da Vinci...

Lydia

Original name Cui Hongmei, is a children's writer and animation scriptwriter. She loves mystery, adventure, suspense and deduction. She has published works since she was 17 years old, impressing millions of readers with her lively writing and bizarre plots.
She has published more than a hundred children's works, with diversified themes, including detective, youth campus literature and mystery. Her representative works include “Coward in Action Series”, “Wacky House Series”, “Help with Magic Series”, “Super Detective Agency Series”, etc. She is also the author of “The Beast of Mangyuan” and “Dragon Lake Fairy Dream”, which have been awarded the “Great White Whale Original Children's Literature Outstanding Works Award”.

Deciphering the Coded Letter
The Haunted Castle
The Labyrinth of the Star of Solomon
The Banquet of Sixty Years Ago
The Ghost's Mischief
The Mysterious Person Follows Repeatedly
The Ghost That Commits a Crime in the Small Staircase
The Person in the Painting Appears
The Long-Hidden Secret Room
Unveiling the Terrifying Mystery