John Townsend Books

Boundaries, Yancey, Strobel, Graham Assortment Ams

By John Townsend, Henry Cloud

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Beyond Boundaries Participant's Guide: Learning to Trust Again in Relationships

By John Sims Townsend

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Helps readers discover when and how to trust again after they have set appropriate boundaries, how to connect deeply without being hurt, and how to safely grow in their most intimate relationships.

NIV, Life Journey Bible, Hardcover: Find the Answers for Your Whole Life

By John Sims Townsend, Henry Cloud

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Big cats.

By John Townsend

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Livewire Investigates Livewire Investigates S.

By Brandon Robshaw, John Townsend, Rochelle Scholar

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Hanged for Murder Livewire Investigates S.

By John Townsend, The Basic Skills Agency

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Danger in the Sky Livewire Investigates S.

By John Townsend, The Basic Skills Agency

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Small But Deadly (Livewire Investigates)

By John Townsend, The Basic Skills Agency

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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.