Robert Davis Books

Tertulia: Advanced Oral Skills in Spanish

By Davis Robert L.

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Tertulia: Conversational Skills

By Robert Davis, Davis Robert L.

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Listening Comprehension Audio Cassette (Component) to accompany Entrevistas

By Robert Davis

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Management of Acoustic Noise IT Infrastructure Library

By Central Computer Telecommunications Agency, Ray Harris

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Revel for Story and History

By Davis Robert C.

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The paternal romance

By Robert Con Davis

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The friendly beasts

By Sharon McGinley Nally

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In this version of a traditional Christmas carol, the friendly stable beasts tell of the gifts they have given to the newborn Jesus.

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.