Buku yang Dikarang by Doctor Harmony

Jo, My Sad Hippo- A book about Sadness

Kanga, My Dragon of Anger- A book about Anger

Jo, My Sad Hippo- A Book about Sadness

My Pet Monster- A book about Worry

The Cat's Got My Tongue- A Book About Shyness and Performance Anxiety

My Pet Monster-A book about Worry

Kanga, My Dragon of Anger

The Cat's Got My Tongue- A book about Shyness and Performance Anxiety