Valeria Mendoza, where children’s books become emotional tools.

Do you already know my books?

The Planet of Joy

When my son was little, it moved me to see him so happy he couldn’t stop.

But sometimes, that overflow of joy also came with exhaustion, impulsiveness, and frustration.

The Planet of Joy is a story about just that. About how even joy needs space, guidance, and gentle support.

The Planet of Sadness

This book was born after a difficult chapter in my life: my divorce.

I asked myself many times how to talk to my son about it… without hiding it, without sugarcoating it.

The Planet of Sadness is a space where sadness isn’t wrong or uncomfortable—it’s simply part of growing up.

Activity book: The Planet of Joy

In this interactive version of The Planet of Joy, children don’t just read — they play and participate! Through fun activities, and thoughtful prompts, little ones get to explore what makes them feel truly joyful. It’s a beautiful way to spark conversations about happiness and strengthen the bond with their grown-ups.

Activity Book – The Planet of Sadness

This book was created as a gentle companion for sad days. It includes breathing exercises, coloring pages, and simple tools to help children express what they’re feeling. It’s an invitation to honor sadness, walk through it with love, and open space for talking about what hurts… and what helps.

Mitali

I loved both books

My son has The Planet of Joy and The Planet of Sadness, and he loves both books. These books were an excellent way for us to explore emotions, and discuss what causes them and how to process them. The illustrations are creative and beautiful too!

Rated in the United States on May 12, 2023

Débora

Beautiful book

My son has The Planet of Joy and The Planet of Sadness, and he loves both books. These books were an excellent way for us to explore emotions, and discuss what causes them and how to process them. The illustrations are creative and beautiful too!

Rated in the United States on May 12, 2023

Patricia Gutierrez

Wonderful gift

Highly recommended. A beautiful book that talks about emotions with characters who captivate you in a lighthearted story perfect for our children.

Rated in the United States on May 4, 2023

Juanfer

The content is wonderful

It’s a wonderful book for children, but it also offers a great lesson for adults. It introduces the topic of emotions and how to manage them in a phenomenal and super-simple way.

Rated in the United States on April 29, 2023

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