The secret message
Decode symbols to find a word.
Read · Reason · Invent · Ages 7–10
The downloadable activity books and their previews are in French.
Turn “I’m bored” into “I figured it out!”
A 64-page digital PDF workbook in French to download and print. Messages to decode, logic challenges, and stories to explore. Alongside Milo and Luma, your child steps into an adventure where they become the investigator.
The Mystery of Riddle Island
An A4 PDF workbook containing 64 pages in French, including covers, story, activities, and solutions. Best explored with a pencil and colored pencils. The file is available in your account area after payment. Printing is at your own expense; no physical book will be shipped.

EVERYDAY LITTLE MOMENTS
Single worksheets often end up forgotten in a drawer. Here, the games are woven into a storyline. One riddle makes them eager to discover the next. Your child can try on their own, ask for a hint, and then compare their reasoning with the solutions.
You open the workbook. The adventure begins right there.
ONE PAGE, ONE LITTLE MISSION
Each volume alternates game types. An activity to observe, another to reason through, then a creative break: your child doesn’t need to do everything in exact order.
Look for clues and deduce
Read to understand a story
Play with numbers
Explain thinking and create


THE HEPALY COMMON THREAD
A character to spot and fresh new challenges: the workbook keeps familiar landmarks while renewing the adventure.
Decode symbols to find a word.
Combine multiple pieces of information to solve a riddle.
Explore, calculate, and check reasoning.
DESIGNED FOR REAL LIFE
Games, instructions, and solutions all live in the exact same booklet.
One page today, two tomorrow. You can also revisit a game they loved.
A guide to support them and answer keys to discuss their reasoning, without turning it into homework.
YOUR 3-STEP LITTLE ROUTINE
Get your PDF in your account, print your chosen pages in A4 format, and grab the pencils.
Read the instructions together if needed. Let your child try their own way of doing it.
Look at what they tried. The answer keys help you talk things through, even when the answer turns out different.
THE STORY CONTINUES WITH THE CLUB
Volume 1 to start, followed by the next volume with each monthly renewal. Always the same collection, with new activities every time.
€12.45 per month per family license. Download each new volume included. Online cancellation anytime before the next renewal date.
YOUR CHOICE
| In your adventure | To continue the adventureThe Hepaly Club | One-time purchase |
|---|---|---|
| Booklet price | €12.45 / month | 14,95 € |
| 64-page digital PDF (in French) | A new volume every month | Volume 1 |
| Story, activities, and solutions | Included | Included |
| PDF access | In your account after payment confirmation | |
| Access to upcoming PDFs | Included | No recurring payment |
| You stay in control | Online cancellation | One-time payment |
YOUR QUESTIONS