Book Series · 5 Books

Blackthorn Stables Junior Books

In order from The Monday Mystery to The Friday Mystery.

The Blackthorn Stables Junior series is a set of 5 chapter books by Elaine Heney, published in 2025. Written for ages 6–8, most books run about 100 pages.

The Monday Mystery
The Tuesday Mystery
The Wednesday Mystery
The Thursday Mystery
The Friday Mystery
Where the story begins

First Book in the Series

The Monday Mystery
Sale price
$1139
Book #1 · Chapter Book · Ages 6–8 · 2025

The Monday Mystery

By Elaine Heney

Lunches vanish mysteriously on 'Bring Your Dog to School' day. Can three friends solve the mystery?

95 pages
$11.99Save 5%
Paperback
The complete set

Blackthorn Stables Junior Series

5 books · Published 2025

Series
Sale price
$1139

The Monday Mystery

Chapter Book · Ages 6–8 · 2025

Lunches vanish mysteriously on 'Bring Your Dog to School' day. Can three friends solve the mystery?

Sale price
$1139

The Tuesday Mystery

Chapter Book · Ages 6–8 · 2025

A missing bell, mysterious footprints, and secret tunnels—can three kids solve the mystery in time?

Sale price
$1139

The Wednesday Mystery

Chapter Book · Ages 6–8 · 2025

A mysterious fog hides a thief. Can young detectives solve the mystery before it's too late?

Sale price
$1248

The Thursday Mystery

Chapter Book · Ages 6–8 · 2025

Books vanish on Thursdays. Can young sleuths solve the library's secret?

Sale price
$1139

The Friday Mystery

Chapter Book · Ages 6–8 · 2025

Pizzas vanish every Friday. Can young detectives solve the mystery before dinner is ruined?

Good to know

Common Questions

How many books are in the Blackthorn Stables Junior series?

There are 5 books in the Blackthorn Stables Junior series. It began with The Monday Mystery in 2025, and the newest book, The Friday Mystery, was published in 2025.

What ages are the Blackthorn Stables Junior books best for?

The series is best for ages 6–8, based on the age ranges of the individual books.

The people

The Creative Behind the Books

The people who bring Blackthorn Stables Junior to life.

01

Elaine Heney

Author

Keep exploring

Similar Series

Hoop Queen

Kylie Jean

Ages 6–8
Stella & Marigold

Stella & Marigold

Ages 6–9
Step Into the Spotlight!

The Amazing Stardust Friends

Ages 6–8
Delphie and the Magic Ballet Shoes

Magic Ballerina

Ages 6–9
The Cool Cat Club

Jasper & Scruff

Ages 6–9
8 Class Pets + 1 Squirrel ÷ 1 Dog = Chaos

Twitch the Squirrel

Ages 6–9
Princess Ellie to the Rescue

Pony-Crazed Princess

Ages 6–9
Sona Sharma, Very Best Big Sister?

Sona Sharma

Ages 6–8

Bookroo

  • About Us
  • Blog
  • FAQs
  • Help Center
  • Contact Us
  • Affiliates

Book Clubs

Follow Bookroo