Thwistle Ping! -- Robbie Arnett, Hardcover

A new picture book from #1 New York Times bestselling author and musician Robbie Arnett about finding the music of your heart

It will make you dance!
It will make you sing!
It's called . . .
Thwistle Ping!

Lennie Fling has always been good at everything. But when it comes to music, he only falls flat. So when the school's music recital is announced, Lennie must find a way to play a tune. With a little help from his groovy neighbor who dances to her own beat, Lennie learns that musical expression can take on many unexpected forms.

In this rollicking tale by #1 New York Times bestselling author Robbie Arnett, Thwistle Ping! will inspire you to strum a chord, whistle a melody, and find the music of your heart.

Author: Robbie Arnett
Publisher: Viking Books for Young Readers
Published: 02/17/2026
Pages: 32
Binding Type: Hardcover
ISBN: 9780593690635
Audience: Ages 4-8

Review Citation(s):
Kirkus Reviews 10/15/2025

About the Author
Robbie Arnett is the coauthor of the #1 New York Times bestelling Hattie Harmony picture book series with his wife, Elizabeth Olsen. He has toured the world as a professional musician and plays the guitar, drums, harmonica, and many other instruments that he's made from the items in his kitchen. He lives in Northern California, where he's always writing a new song.

Please visit him on Instagram @RobbieArnett and @HattieHarmonyBooks.

Luciano Lozano is illustrator of Boys Dance!, Call Me Max, Our Italian Christmas Eve, and many other delightful books for children. His art is regularly seen in newspapers and magazines worldwide. While creating the art for this book, he listened to everything from classical music to bossa nova. He lives in Barcelona, where he's always drawing or dancing.

Please visit him at LucianoLozano.com and follow him on Instagram @illustrista.