Petr Horacek Books

Silly Suzy Goose

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Suzy longs to be different from all the other geese, but learns that imitating a lion may not be the best way to express her individuality.

The greedy goat

By Petr Horacek

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Goat is greedy. She's had enough of eating grass. But when she decides to try something different she gets more than she bargained for, in this hilarious, cautionary fartmyard tale.

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.