Znail Valley · Book 4Ages 4–8Sound + belonging

What’s That Sound?

A strange whoosh is moving through Znail Valley. Lee, Betsy, and Lily follow every rustle, plink, and pop—until the mystery leads beyond the page and all the way to the most important voice in the story.

What’s That Sound picture books from the fourth Znail Valley story
Written by Aria de Clea · 32 illustrated pages
An interactive mysteryThe reader holds the final clue
Sound science insideListening, vibration, and travel
Funny to say aloudWhooshes, plinks, pops, and more
Every voice mattersA story built around the child

The story

The mystery is not only happening in front of the reader.

Lee hears a whoosh and sets off with Betsy and Lily to find its source. Each new sound becomes a clue, an experiment, and another reason to listen closely.

The search keeps turning outward—toward leaves, inventions, wings, and the valley itself. Then the story turns around and notices the child holding the book.

Lee, Betsy, and Lily’s listening trail

Follow a sound without rushing to name it.

A child-sized investigation sequence for reading, classrooms, or the next mysterious noise at home.

1

Hear it

Pause long enough to notice that a sound happened.

2

Describe it

Was it high, low, soft, sharp, steady, or bouncy?

3

Track it

Listen for direction, distance, repetition, and change.

4

Test an idea

Make a prediction, try it, and stay open to surprise.

Made for voices

Try the sounds. Then invent one only you would make.

There is no single correct performance. Whisper, stretch, clap, tap, hum, point, or listen.

whooshstretch it
plinkmake it tiny
pop!make it quick
rustlemake it soft
rrrrrumblefeel it
?make yours

Three pauses in the story

Let the reader become the sound detective.

These pauses preserve the mystery instead of turning the read-aloud into a quiz.

Early in the search

“What clues did the sound give us?”

Repeat the sound together or describe it without naming its source.

When guesses multiply

“Which idea would you test first?”

Ask what Lee, Betsy, or Lily might listen for next.

Before the reveal

“Could the sound be somewhere else?”

Leave room for the possibility that the book is listening back.

For parents, teachers, and librarians

Make listening reciprocal.

The story’s strongest extension is not “listen to adults.” It is the experience of being listened to.

Follow their sound

If a child chooses one noise to repeat, join it before directing the next activity.

Notice many voices

Voices can be spoken, signed, drawn, tapped, moved, selected, or shared later.

Separate loud from important

A quiet contribution can matter just as much as the sound that fills the room.

Return the evidence

Say exactly what was heard: “Your idea changed where we looked next.”

Book details

What’s That Sound?

SeriesZnail Valley, Book 4
AuthorAria de Clea
PublisherClea Studios
PublishedOctober 20, 2025
Length32 illustrated pages
Hardcover ISBN978-1-969588-05-1
AudienceAges 4–8 · Grades PreK–2

Questions grown-ups ask

About the book

What is What’s That Sound? about?

Lee, Betsy, and Lily follow a strange whoosh through Znail Valley. Their search explores sound, curiosity, and teamwork before revealing that the reader has a central role in the mystery.

What ages is the book for?

It is designed for ages 4–8 and works especially well as an interactive read-aloud for families, PreK–2 classrooms, and library storytimes.

Does the story teach sound science?

Yes. The adventure invites children to notice how sounds differ, where they may come from, how they travel, and how careful listening can help test an idea.

Is the reader part of the story?

Yes. The mystery is designed to turn toward the child, reinforcing that their voice matters and that reading can be something they help create.

Is it necessary to read the earlier books first?

No. What’s That Sound? is Book 4 in the Znail Valley series, but it can be read as a standalone adventure.

A Znail Valley listening adventure

The sound at the center of the story might be yours.

Follow the clues, make the noises, and discover what changes when a book listens back.