Toula Ballas Books

Little star

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When a little fox cannot sleep, he decides to follow a twinkling star. This star leads the fox to discover the dozing animals around him, until he finally drifts off to sleep.

A young fish is lost in the middle of the sea! He can't find his mother and he doesn't know what to do. Luckily, his fellow sea creatures-- a lionfish, a turtle, an octopus, and more-- want to help...

What sound do you make

By Toula Ballas

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A narrator asks a variety of animals what sound they make. Includes die-cut spiraling holes and rhyming text.

Guess who

By Toula Ballas

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Look and see through die-cut spiraling holes and discover a caterpillar. An alien. A ferocious tiger! With a collection of masks and a big imagination, a young boy can become anything he wants. Wh...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.