Simmons John Books

Working together

By Simmons John, John Simmons

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Carpentry is easy when you know how

By Simmons John

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Detailed plans for building twenty projects including a cheese board, puppet theater, folding work bench, and book rack. Includes tips on tools and safety.

Carpentry is easy when you know how

By Simmons John

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An Essay on the Cause of Lightning and the Manner by Which the Thunder clouds Become Possessed of Their Electricity ... To Which are Added Plain ... for Constructing and Erecting Safe Conductors

By Simmons John

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The invisible grail

By Simmons John

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xiv, 224 p. : 21 cm

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.