Embark on a thrilling adventure with The Marshmallow Hammer Detective Agency, a middle-grade mystery novel that will ignite the imaginations of young readers and assure parents of a safe and engaging journey into the world of sleuthing! Dive into this exciting chapter book for kids 8-12 (ish) years in age. Available in both Kindle and paperback.

As Hat Tintersmoot, an aspiring young detective, celebrates her twelfth birthday, an enigmatic package arrives, sparking an intriguing mystery that demands her skills.

Inside, a golden egg adorned with mysterious symbols and a cryptic note set the stage for an exciting quest. With the companionship of a new best friend, Hat faces a series of five challenging clues, each one drawing her closer to uncovering a monumental secret.

This book, perfect for middle-grade readers, encourages critical thinking, celebrates friendship, and inspires the courage to chase one's dreams.

Immerse young readers in this tale of mystery and adventure, and watch as your child becomes captivated by the power of imagination and the joy of solving puzzles and riddles along with the main character.

Adults love it too!

The Marshmallow Hammer Detective Agency is not just a book; it's a gateway to a world of wonder and discovery for young readers.

Tag This Book

This Book Has Been Tagged
It hasn't. Be the first to tag this book!

Our Recommendation

Track It. This book has been $3.99 within the past year.

Notify Me When The Price...

  • $
  • If I'm already tracking this book...

to track this book on eReaderIQ.

Track These Authors

to track Ernie Lindsey on eReaderIQ.

  • to be notified each time the price drops on any book by Ernie Lindsey.
  • to stop tracking Ernie Lindsey.

Price Summary

  • We started tracking this book on October 19, 2013.
  • This book was $2.99 when we started tracking it.
  • The price of this book has changed 22 times in the past 3,870 days.
  • The current price of this book is $4.99 last checked 27 minutes ago.
  • This book is at its lowest price in the past six months.
  • This lowest price this book has been offered at in the past year is $3.99.
  • The lowest price to date was FREE last reached on October 17, 2019.
  • This book has been FREE one time since we started tracking it.
  • The highest price to date was $9.99 last reached on May 15, 2023.
  • This book has been $9.99 one time since we started tracking it.


Additional Info

  • Text-to-Speech: Disabled
  • Lending: Disabled
  • Print Length: 283 Pages

We last verified the price of this book about 27 minutes ago. At that time, the price was $4.99. This price is subject to change. The price displayed on the website at the time of purchase is the price you will pay for this book. Please confirm the price before making any purchases.