Great Mystery Books for Kids (around age 11+)
1. 
Egypt's Fire (The Curious League of Detectives and Thieves #1)
by:
Tom Phillips
3.95 avg rating — 615 ratings 
3. 
The Case of the Missing Marquess (Enola Holmes, #1)
by:
Nancy Springer
3.78 avg rating — 42,404 ratings 
5. 
The Case of the Left-Handed Lady (Enola Holmes, #2)
by:
Nancy Springer
really liked it 4.00 avg rating — 21,222 ratings 
7. 
The Ghost of Old Central School: A Choose Your Path Mystery
by:
Deb Mercier
4.75 avg rating — 8 ratings 9. 
The Case of the Peculiar Pink Fan (Enola Holmes, #4)
by:
Nancy Springer
4.14 avg rating — 13,881 ratings 
13. 
Escape from Mr. Lemoncello's Library (Mr. Lemoncello's Library, #1) 4.12 avg rating — 60,492 ratings
15. 
The Curious Incident of the Dog in the Night-Time
by:
Mark Haddon
3.89 avg rating — 1,568,779 ratings 
16. 
Enola Holmes and the Elegant Escapade (Enola Holmes, #8)
by:
Nancy Springer
4.07 avg rating — 4,749 ratings 18. 
The Mysterious Benedict Society (The Mysterious Benedict Society, #1) 4.20 avg rating — 171,883 ratings
18. 
Enola Holmes and the Black Barouche (Enola Holmes, #7)
by:
Nancy Springer
4.16 avg rating — 7,872 ratings 
20. 
The Case of the Left-Handed Lady (Enola Holmes, #2)
by:
Nancy Springer
really liked it 4.00 avg rating — 21,222 ratings 22. 
The Case of the Bizarre Bouquets (Enola Holmes, #3)
by:
Nancy Springer
4.09 avg rating — 16,320 ratings 23. 
The Body Under the Piano (Aggie Morton, Mystery Queen, #1)
by:
Marthe Jocelyn
3.91 avg rating — 1,980 ratings 23. 
The Case of the Gypsy Good-Bye (Enola Holmes, #6)
by:
Nancy Springer
4.27 avg rating — 11,977 ratings 25. 
25. 
The Case of the Cryptic Crinoline (Enola Holmes, #5)
by:
Nancy Springer
4.12 avg rating — 12,980 ratings 27. 
Super Puzzletastic Mysteries: Short Stories for Young Sleuths from Mystery Writers of America 4.09 avg rating — 509 ratings