Henrietta Gambill Books

Are you listening?

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Explains how important it is to be a good listener, especially when God speaks to us through the Bible and through the needs of others.

Self Control

By Henrietta Gambill

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The child's world of self-control

By Henrietta Gambill

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Simple text and scenes depict times when it is good to have self control, such as listening when you want to talk, waiting, sacrificing the biggest piece of candy, and being a good loser.

Self Control

By Henrietta Gambill

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Mary and Elizabeth

By Henrietta Gambill, Mary E. Lysne, Kathleen Patterson

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Little Frog Squeeze Squeak Series

By Henrietta Gambill

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A Time to Speak

By Henrietta Gambill

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Shapes I See

By Henrietta Gambill

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Seven Special Days

By Henrietta Gambill

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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.