Hertha Klugman Books

What can you feel with your feet?

By Hertha Klugman

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Questions and illustrations explore the differences between opposites such as warm and cool, dry and wet, and other.

Swallow A Squiggl Gb Preschool Easy Answer Books

By Klugman

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What can you feel with your feet?

By Hertha Klugman

Average: 0.00, 0 Ratings

Questions and illustrations explore the differences between opposites such as warm and cool, dry and wet, and other.

Can you swallow a squiggle?

By Hertha Klugman

Average: 0.00, 0 Ratings

Illustrations show geometrically shaped objects and what can be done with them.

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.