Richard Ladd Books

Glencoe French 2 - A Bord - Video Activities Booklet

By Richard Ladd

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AP French: Preparing for the Language Examination Audio Program

By Richard Ladd, Colette Girard

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Allons Au-Dela!: La Langue Et Les Cultures Du Monde Francophone

By Pearson Education Staff, Richard Ladd

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Allons au-dela!

Advanced Placement French

By Richard Ladd, Colette Girard

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"[The book] is intended to meet the need for a text to accompany an Advanced Placement French Language course, to supplement courses on similar levels, and to serve as independent preparation for t...

Ap French

By Richard Ladd, Colette Girard

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C est A Toi Level 3

By Richard Ladd Augusta Clark

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C est A Toi

By Richard Ladd, Augusta Clark

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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.