Quentin Blake Books

When Patrick plays the violin he bought for one silver piece, fish begin to sing and fly through the air, cake and ice cream grow on apple trees, cows begin to dance, and many other strange things...

El dedo magico

By Quentin Blake, Roald Dahl

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El Gran Gigante Bonachon The BFG

By Quentin Blake, Roald Dahl

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Solo se es joven... dos veces

By Quentin Blake

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Tian shang de fan chuan

By Quentin Blake

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A fable about poverty, child slavery, pollution, racism and war, in which children offer hope for a happier future.

Matilda OQUELEO

By Quentin Blake, Roald Dahl

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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.