Phil Ershler Books

Together on top of the world

By Robin Simons, Phil Ershler, Susan Ershler

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Together on top of the world

By Phil Ershler

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Presents an inspirational account of the experiences of Phil and Susan Ershler, a couple who overcame Phil's Crohn's disease and cancer and Susan's inexperience to climb the Seven Summits.

Together on Top of the World

By Robin Simons, Phil Ershler, Susan Erschler

Average: 0.00, 0 Ratings

Together on Top of the World

By Robin Simons, Phil Ershler, Susan Erschler, Phil And Susan Ershler, Susan Ershler

Average: 0.00, 0 Ratings

Together on Top of the World

By Robin Simons, Phil Ershler, Susan Erschler, Phil And Susan Ershler, Susan Ershler

Average: 0.00, 0 Ratings

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.