Geoffrey H. Sperber Books

The accompanying CD-ROM includes the complete text and illustrations from the print volume, as well as three-dimensional movies that show reconstructions of embryos.

Craniofacial embryogenetics and development

By Geoffrey H. Sperber

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Craniofacial Embryology

By Geoffrey H. Sperber

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James Madison Elementary School Curriculum for American Students Teachers Edition

By 65000003503

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Craniofacial Embryogenetics and Development

By Geoffrey H. Sperber, Steven M. Sperber

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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.