Sergio Ruzzier Books

This is not a picture book

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In this quirky yet sweet picture book about the joy and power of reading, Duck learns that even books without pictures can be fun.

The party and other stories

By Sergio Ruzzier

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Fox is calm and thoughtful. Chick is hyperactive and flighty. They don't always agree, but they are friends anyway.

Two mice

By Sergio Ruzzier

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Illustrations and minimal text follow two mice as they set off on an adventure that includes a shipwreck, kidnapping by a bird of prey, a narrow escape, and a moonlit stroll home.

Fish and Clam

By Sergio Ruzzier

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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.