The Whodunit Detective Agency

2 books · Ages 4-11 · chapter book

The Whodunit Detective Agency is a 2-book series for ages 4-11 by Martin Widmark.

Reading Order

The Diamond Mystery1
The Diamond Mystery2014
The Swimming Pool Mystery4
The Swimming Pool Mystery2015

What This Series Covers

Curiosity & WonderJustice & FairnessResilience & PerseveranceTeamwork & CollaborationHonesty & IntegrityMystery

What to Read Next

Browse more →
Cover of A New Year's Reunion
A New Year's Reunion
Li-Qiong Yu, Cheng-Liang Zhu
Little Maomao's father returns home once a year for Chinese New Year, bringing joy and traditions. This tender story exp
Ages 4–11
Cover of Sisters Red
Sisters Red
Jackson Pearce
After a werewolf kills their grandmother, Scarlett and Rosie March become fierce hunters, luring the beasts with red clo
Ages 12–18
Cover of My Little Pony: Princess Celestia and the Summer of Royal Waves
My Little Pony: Princess Celestia and the Summer of Royal Waves
G. M. Berrow
Princess Celestia takes center stage in this enchanting My Little Pony chapter book. As summer arrives, she embarks on a
Ages 4–11
Cover of Keeper of the Grail Book 1
Keeper of the Grail Book 1
Michael Spradlin
Join a brave protagonist on an epic journey through the Middle Ages, filled with knights, danger, and the ancient myster
Ages 4–11
Cover of My Little Pony : Equestria Girls : Rainbow Rocks the Mane Event
My Little Pony : Equestria Girls : Rainbow Rocks the Mane Event
Perdita Finn
The Equestria Girls face a new challenge in this exciting chapter book. Friendship, magic, and music combine as they pre
Ages 4–11
Cover of Spoiled Rotten (Hyperion Chapters)
Spoiled Rotten (Hyperion Chapters)
Barthe Declements
Scott's best friend Andy struggles with school rules, leading to trouble. Scott steps up to help Andy learn how to behav
Ages 6–9