Potty Training Book: Hello Mr. Potty for Kids

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A picture of Hello Mr Potty book showing a potty with a smiling face, and a child holding a teddy

Hello, Mr. Potty! : A Fun Potty Training Book for Curious, Creative Toddlers

About the Author

A picture of mother carrying her toddler while both are laughing and having a fun time together

A. P. Castle is a mother, storyteller, and quiet believer in the magic of imagination.

She was inspired to write "Hello, Mr. Potty!" after navigating her own child's potty training journey, where big feelings and sensory sensitivities met a wonderfully wild imagination.

Leaning into her son's love for imaginative play— costumes, characters, and bringing objects to life, A. P. Castle and her husband transformed what could have been a stressful milestone into a playful and empowering journey. That experience now lives on in her writing, where warmth, empathy, and creativity take centre stage.
Her storytelling style blends modern simplicity with whimsical charm, often shaped by real-life parenting moments and a deep desire to see the world through a child’s eyes.
With plans to create more children’s books,

A. P. Castle hopes to support families through life’s little milestones with stories that feel gentle, encouraging, and full of heart—always reminding readers, “You’ve got this.”

It’s almost here!

The wait is over!

A shy start, a silly fart, and a proud big-kid finish!

About the Author

Create your own Mr. Potty!

Create your own Mr. Potty!

download your free printables here

It’s almost here!

The wait is over!

A shy start, a silly fart, and a proud big-kid finish!

About the Author

Create your own Mr. Potty!

Create your own Mr. Potty!

download your free printables here

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