★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 most reasoning! The most adventure! The most wonderful! The story is full of suspense and twists, and readers can follow the protagonist group as if they were there, to explore, to solve cases, and enjoy the collision of excitement and wisdom!
★Combining adventure and reasoning elements, it cultivates children's spirit of daring to explore and not fearing difficulties, and improves children's observational skills, imagination, and logical thinking abilities.

This series includes 2 titles:
"1 The Mystery of the Skeleton in the Mountain"
"2 The Uncontrollable Thief"

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 intelligent and brave famous detectives "Four Little Dragons" —— Porro, Huolong, Little Dragon Girl, and Fan Xingying receive a strange commission, arriving at the even stranger Skull Echo Mountain to investigate a perplexing disappearance case. Mysterious figures in straw raincoats, goblin creatures with fox heads, giant pythons in the deep mountains, eerie cold pools, hidden treasures in ancient temples, the enemies of the Four Little Dragons are lurking in the shadows, can they use courage and wisdom to solve this case filled with conspiracies?

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”.