Elizabeth Koehler Pentacoff Books

John Muir and Stickeen

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Describes an episode in the life of conservationist John Muir when he was stranded on a glacier with a brave dog, Stickeen.

John Muir and Stickeen

By Elizabeth Koehler Pentacoff

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Describes an episode in the life of conservationist John Muir when he was stranded on a glacier with a brave dog, Stickeen.

Louise the one and only

By Elizabeth Koehler Pentacoff

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Louise loves some of her kindergarten activities, such as painting, while from other school experiences she learns to give and take with her classmates.

You re kidding

By Elizabeth Koehler Pentacoff

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Help My Life Is Going to the Dogs

By Elizabeth Koehler Pentacoff

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Explorers

By Elizabeth Koehler Pentacoff

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The ABCs of Writing for Children

By Elizabeth Koehler Pentacoff

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The missing Kennedy

By Elizabeth Koehler Pentacoff

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"Rosemary (Rosie) Kennedy was born in 1918, the first daughter of a wealthy Bostonian couple who later would become known as the patriarch and matriarch of America's most famous and celebrated fami...

The ABC s of Writing for Children

By Elizabeth Koehler Pentacoff

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Too tired Tofer

By Elizabeth Koehler Pentacoff

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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.