Harriet Griffey Books

Earthquakes, volcanoes, fires, and floods—discover the awesome power of nature unleashed! Stunning photographs combine with lively illustrations and engaging, age-appropriate stories in DK Read...

Secrets of the mummies

By Harriet Griffey

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Discusses the Egyptian preservation of dead bodies, stories associated with mummies, and mummies from different cultures, including Incan and Sicilian.

Secrets of the Mummies

By DK Publishing, Harriet Griffey

Average: 0.00, 0 Ratings

Discusses the Egyptian preservation of dead bodies, stories associated with mummies, and mummies from different cultures, including Incan and Sicilian.

Johnson s Child Development

By Corinne Roberts, Harriet Griffey

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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.