Claude Lafleur Books

Monarch Butterfly

By David M. Schwartz, Claude Lafleur

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Describes the physical characteristics, habits, and stages of development of the monarch butterfly.

21st Century Science

By Nathalie Fredette, Claude Lafleur

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Le sujet archeologique et Boecien

By Claude Lafleur

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Les philosophies morale et naturelle du Pseudo-Robert Grosseteste

By Claude Lafleur

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"Dans les Communia salmantins -- la plus vaste compilation didactique latine médiévale connue à ce jour et que l'on peut nommer ainsi, d'après la localisation du manuscrit depuis le XVe siècle, mêm...

La vieille logique des Communia version parisienne du pseudo-Robert Grosseteste ( Pierre de Limoges, Pierre d'Auvergne?)

By Joanne Carrier, Claude Lafleur

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Le sujet archeologique et Boecien

By Claude Lafleur

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Les philosophies morale et naturelle du Pseudo Robert Grosseteste

By Claude Lafleur

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La vieille logique des Communia version parisienne du pseudo Robert Grosseteste Pierre de Limoges Pierre d Auvergne

By Joanne Carrier, Claude Lafleur

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L Univers

By Nathalie Fredette, Claude Lafleur, Stephane Batigne

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Petrarque et l'amitie

By Claude Lafleur

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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.