Eric Heliot Books

Just us girls

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Provides tips and insights for girls who want to look and feel their best, not only on the outside, but on the inside, as well.

Piano Piano

By Davide Cali

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Marcolino hates practicing his scales on the piano, but feels he must because he is the reason his mother never became a grand pianist--until his grandfather lets them both in on a little secret.

L Encyclo de La Vie Sexuelle 7 9 ANS

By Eric Heliot

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Celui qui reve

By Olivier Petit, Eric Heliot

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Le corps comment ca marche

By Brigitte Dutrieux

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Une présentation pas à pas des différents éléments qui constituent le corps humain avec des explications sur leur mode de fonctionnement.

Los Origenes de la Vida The Origins of Life

By Albin Michelle

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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.