Book Series · 10 Books

Third-Grade Detectives Books

In order from The Clue of the Left-Handed Envelope to The Mystery of the Stolen Statue.

The Third-Grade Detectives series is a set of 10 chapter books by George E. Stanley, published between 2000 and 2004. Written for ages 5–9, most books run about 80 pages.

The Puzzle of the Pretty Pink Handkerchief

Where the story begins

First Book in the Series

Sale price

$574

Book #1 · Chapter Book · Ages 6–9 · 2000

The Clue of the Left-Handed Envelope

By George E. Stanley

An anonymous letter sparks a classroom mystery. Can clues reveal the sender?

64 pages· 6,146 words· Est. 1 hour read

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Paperback

Summary: When Amber Lee receives an anonymous letter, classmates Noelle and Todd are determined to uncover the sender. With the help of their ex-spy teacher, Mr. Merlin, they dive into a world of secret codes and peculiar clues. As they unravel the mystery, they must decipher how a collection of envelopes and odd hints like earwax and a pink handkerchief fit into the puzzle. Can they solve the mystery before anyone else, or will the truth remain hidden in their classroom?

In reading order

Chapter Book · Ages 6–9 · 2003

Can third-grade detectives prove Mr. Roper's innocence in a stolen oyster case?

Series

Sale price

$574

The Secret of the Green Skin

Chapter Book · Ages 6–9 · 2003

A restaurant faces closure after diners fall ill. Can young detectives solve the mystery of the dangerous green?

Series

Sale price

$574

The Case of the Dirty Clue

Chapter Book · Ages 6–9 · 2003

A mangled bike, a white car, and a mystery to solve.

Series

Sale price

$574

The Secret of the Wooden Witness

Chapter Book · Ages 6–9 · 2004

A stolen watch, a missing mentor, and a wooden clue. Can young detectives crack the case?

Series

Sale price

$574

The Case of the Bank-Robbing Bandit

Chapter Book · Ages 6–9 · 2004

Third-grade detectives face a bank heist mystery with only a sweaty handkerchief as a clue.

Series

Sale price

$574

The Mystery of the Stolen Statue

Chapter Book · Ages 6–9 · 2004

A stolen statue is found destroyed. Why was it smashed?

Good to know

Common Questions

How many books are in the Third-Grade Detectives series?

There are 10 books in the Third-Grade Detectives series. It began with The Clue of the Left-Handed Envelope in 2000, and the newest book, The Mystery of the Stolen Statue, was published in 2004.