Ma Isabel Sanchez Vegara Books

Muhammad Ali

By Brosmind, Maria Isabel Sanchez Vegara

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J. R. R. Tolkien

By Aaron Cushley, Maria Isabel Sanchez Vegara

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Freddie Mercury

By Ruby Taylor, Maria Isabel Sanchez Vegara

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Audrey Hepburn

By Ma Isabel Sanchez Vegara

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This book follows the life of Audrey Hepburn from her early life during World War Two, through ballet school, into her acting career, and UNICEF work. This inspiring and informative little biograph...

Ada Lovelace

By Ma Isabel Sanchez Vegara

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Meet Ada Lovelace, the British mathematician and daughter of poet Lord Byron. From her early love of logic, to her plans for the world's first computer program, learn about Ada's life in this mini...

Ella Fitzgerald

By Ma Isabel Sanchez Vegara

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Meet Ella Fitzgerald, one of the most influential jazz singers of all time. This mini biography charts Ella's life, from her early singing days in Harlem, to her success as a jazz legend, with the...

Josephine Baker

By Ma Isabel Sanchez Vegara

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Discover the incredible life of Josephine Baker, the world-famous entertainer, activist and French Resistance agent in this true story of her life.

Jane Goodall

By Ma Isabel Sanchez Vegara

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Discover the amazing life of Jane Goodall, the world expert on chimpanzees, in this true story of her life. When Jane was little, her father gave her a toy chimpanzee called "Jubilee" which sparked...

Simone de Beauvoir

By Ma Isabel Sanchez Vegara

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Discover the incredible life of Simone de Beauvoir, the great French philosopher, in this true story of her life.

L. M. Montgomery

By Ma Isabel Sanchez Vegara

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Discover the incredible life of Lucy Maud Montgomery, the famous writer, in this true story of her life.

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.