Roberts Tom Books

The three billy goats Gruff

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Three clever billy goats outwit a big, ugly troll that lives under the bridge they must cross on their way up the mountain.

Red Riding Hood

By Roberts Tom

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Retells the adventures of a little girl who meets a wolf in the forest on her way to visit her grandmother.

After being stolen by an ugly toad to be her son's bride, Thumbelina, a tiny girl no bigger than a thumb, escapes with the help of animal friends and after many adventures finds the perfect mate in...

Thumbelina

By Roberts Tom

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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.