Studio Secrets arrives August 25, 2026

A new Bob & Bu mystery series

Every studio has a story.
Some have secrets.

Three mysteries. Two best friends. One unforgettable adventure through courage, friendship, perseverance, and the lessons hiding just beneath the surface.

For young readers, martial-arts families, and curious minds.

Bob and Bu: The Secret of Studio 7 book cover Bob and Bu: The Map Beneath the Mats book cover Bob and Bu: The Locker with No Key book cover
Adventurepage-turning mysteries
Characterlessons kids can use
Connectionquestions for grown-ups & kids

Enter Studio Secrets

Three doors. Three mysteries.
One story about becoming brave.

Bob and Bu thought they knew their karate studio. Then an overlooked clue leads them somewhere unexpected—and every answer uncovers a bigger question.

02
The Secret of Studio 7 cover

The next clue

The Secret of Studio 7

A hidden room. A mysterious symbol. A discovery that changes what Bob and Bu thought they knew about their studio.

03
The Locker with No Key cover

The truth revealed

The Locker with No Key

A locked mystery and a trail of clues ask Bob and Bu to trust their training—and each other.

All three Studio Secrets books arrive August 25, 2026.

Bob and Bu, two best friends who train at their karate studio

More books by Master Alicia Hinkle

Begin with the Bob & Bu Adventures.

Before the secrets beneath the studio, Bob and Bu began their martial-arts journey one brave step at a time. These warm, kid-friendly stories follow the best friends through first-day nerves, belt-test determination, and the excitement of competition.

  1. 01Bu’s First Day of Karate
  2. 02Bob & Bu’s First Belt Test
  3. 03Bob & Bu’s First Karate Tournament Coming Soon
QR code to order the Bob and Bu Adventures on Amazon

Ready for an adventure?

Scan or click to order on Amazon

Scan the code with your phone, or click the picture to find the Bob & Bu Adventures.

The Bob & Bu Adventures are a wonderful place for younger readers and families to meet Bob and Bu before entering the Studio Secrets mysteries.

Free activities for young adventurers

Draw a map. Crack a code. Create a legacy.

Keep the mystery going after story time with free printable activities inspired by each Studio Secrets book—and tell Bob and Bu about the brave, funny, or surprising adventures happening in your world.

Preview of The Map Beneath the Mats printable map-making activity

Printable activity

The Map Beneath the Mats

Draw a treasure map of your room or karate studio, then invite a friend to explore.

Download PDF
Preview of The Secret of Studio 7 printable drum-beat code activity

Printable activity

The Secret of Studio 7

Create a secret drum-beat code that only you and your friends understand.

Download PDF
Preview of The Locker with No Key printable Legacy Locker activity

Printable activity

The Locker with No Key

Fill a Legacy Locker with the memories and meaningful items you would preserve.

Download PDF

Send a message to Bob & Bu

What’s your adventure?

Did you try something brave, solve a mystery, help a friend, or learn from a mistake? Bob and Bu would love to hear about it.

Grown-up checkpoint

A parent, guardian, or teacher must send the message. Please use only a child’s first name or nickname—never include a last name, address, school, phone number, photo, or other private details.

Your message will be sent privately to Bob & Bu’s moderated inbox.

Bob and Bu investigating a clue beneath the studio mats
Look closer.
The smallest clue
may hold the biggest lesson.

A mystery with meaning

Stories kids enjoy.
Lessons families remember.

Studio Secrets turns the values learned in martial arts into an adventure young readers can feel. Each mystery creates a natural opening to talk about choices, challenges, and character.

  • Relatable heroes who learn as they go
  • Real-life values woven into the action
  • Continue the Discussion prompts for grown-ups and kids
  • Short, engaging chapters built for independent or shared reading
Join the Studio Secrets Club

For instructors & school owners

Bring the story onto your mat.

Use Bob and Bu to reinforce perseverance, trust, teamwork, and honest effort—without turning story time into another lecture.

01

Read together

Share a chapter in class, camp, or leadership training.

02

Talk it through

Use the included questions to connect the story to training.

03

Make it real

Turn each value into a simple challenge students can practice.

Your inquiry will be sent directly to Bob & Bu’s private mailbox.

Alicia Hinkle, author and illustrator of Bob and Bu

Written & illustrated by Alicia Hinkle

Created by a teacher who knows the journey.

Alicia Hinkle—known to her students as Ma'am and the Dragon Coach—is a Master Instructor with decades of experience teaching children. Bob and Bu grew from her belief that the strongest martial-arts lessons shape who we become far beyond the studio.

Alicia Hinkle

The first clue is coming

Join the Studio Secrets Club.

Club members get the release-day reminder, first look, and printable family discussion guide when Studio Secrets arrives.

Questions from the clue board

What families may want to know

When is Studio Secrets available?

The planned release date is August 25, 2026. Join the Studio Secrets Club for the release-day reminder.

Do readers need to know the earlier Bob & Bu books?

No. Studio Secrets is designed as a welcoming new adventure while longtime readers will recognize Bob, Bu, and their friendship.

Are the coloring pages free?

Yes. Families, classrooms, and martial-arts schools may download and print them for children to enjoy.

What happens to a child’s adventure message?

A grown-up submits it to a private, moderated inbox. The grown-up’s email is used only to respond about the message, submissions are deleted when no longer needed, nothing is published automatically, and optional sharing permission can be withdrawn before publication.

Is there a version for karate schools?

School bundle and instructor-resource details are being prepared. Instructors can contact us to register interest.