Ordinary things.
Extraordinary possibilities.
Wonderfilled stories begin where curiosity takes over—inside a familiar sofa, at the edge of a forgotten file, or in the endless possibilities of a simple stick.
Notice what other people overlook.
Turn the familiar into something new.
Follow the question beyond the easy answer.
Secrets of the Sofa
One ordinary sofa. A trail of hidden clues. And a mystery that asks young readers to look closer at the world they thought they knew.
Secrets of the Sofa blends adventure, friendship, humor, and discovery into a middle-grade story for readers who suspect everyday life may be hiding something extraordinary.
A mystery driven by curiosity and friendship
Written for independent readers ages 9–13
A natural springboard for family conversations
The next questions are already waiting.
Two new projects are taking shape—one built around a mystery no one was meant to find, and one inspired by the limitless imagination of a child.
Coming October 2026File 13
Some answers are only found in File 13. Jason Soule’s next middle-grade mystery invites readers into a world of hidden clues, strange discoveries, and questions without easy answers.
Upcoming picture bookStick
A stick is never just a stick. In the imagination of a child, it can become a wand, a sword, a fishing pole, a bridge, a rocket—or the beginning of an adventure no grown-up saw coming.
Art by Kristine Bayer
Stories that trust the reader.
Kids do not need every answer explained. They need stories that respect their intelligence, invite their participation, and leave enough room for their own ideas.
Built for curiosity
Each story begins with a question strong enough to pull a reader forward.
Made to spark conversation
The final page is not the end—it is the beginning of the next question.
Full of possibility
Wonderfilled books help young readers see how much adventure is hiding in the everyday.
Be first to discover what is coming.
Join the Wonderfilled newsletter for File 13 reveals, first looks at Stick, behind-the-scenes story notes, and new ways to help young readers stay curious.
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