Isidro Sanchez Sanchez Books

Drawing dinosaurs

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Presents step-by-step instructions for drawing dinosaurs; also describes the supplies needed and the best techniques to use.

Dreadful creatures

By Isidro Sanchez Sanchez

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Provides instructions for creating such creatures as gnomes, ogres, giants, witches, skeletons, and even a haunted castle, using a variety of materials.

LIBRERIAS EN CASTILLA LA MANCHA

By Jose Rivero Serrano, Isidro Sanchez Sanchez, Alfonso Gonzalez Calero

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Testigo de lo pasado

By Isidro Sanchez Sanchez, Rafael Villena Espinosa

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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.