Book Series · 2 Books

MK's Detective Club Books

In order from The Poison Puzzle to The Double Trouble Puzzle.

The MK's Detective Club series is a set of 2 chapter books by James Patterson and Keir Graff, published between 2024 and 2025. Written for ages 8–12, most books run about 380 pages.

Where the story begins

First Book in the Series

Sale price

$858

Book #1 · Chapter Book · Ages 8–12 · 2024

The Poison Puzzle

By James Patterson, Keir Graff

A young detective must solve a poisoning mystery to clear her name.

352 pages

$8.99Save 5%

Paperback

Summary: Twelve-year-old Minerva Keen's life in the Arcanum building turns perilous when neighbors are poisoned. Suspected herself, Minerva forms a detective club with her brother and a timid classmate. Can they unmask the culprit before it's too late? With quirky neighbors and a case full of suspects, the stakes are high in this thrilling mystery.

In reading order

MK's Detective Club Series

2 books · Published 2024–2025

#1 in Series

Sale price

$858

The Poison Puzzle

Chapter Book · Ages 8–12 · 2024

A young detective must solve a poisoning mystery to clear her name.

#2 in Series

Sale price

$1697

The Double Trouble Puzzle

Chapter Book · Ages 8–12 · 2025

A young detective faces a rival, eerie nightmares, and a mysterious threat at school.

Good to know

Common Questions

How many books are in the MK's Detective Club series?

There are 2 books in the MK's Detective Club series. It began with The Poison Puzzle in 2024, and the newest book, The Double Trouble Puzzle, was published in 2025.