Charnan Simon Books

Dental hygienist

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Outlines the educational requirements, duties, salary, employment outlook, and possible future positions of dental hygienists.

Librarians

By Charnan Simon

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An introduction to the work librarians do and some of the libraries they work in.

The sacred Ganges

By Charnan Simon

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Veterinarians

By Charnan Simon

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Janet Reno

By Charnan Simon

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Reno's early years & her time in college & law school are outlined with black-and-white photographs. Timeline & index. Part of the Picture-Story Biographies series.

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.