Helena Ramsay Books

Why Do We Need Wheels

By Helena Ramsay

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How does my body work

By Helena Ramsay

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What makes it snow

By Humphrey Paul

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Why Does It Rain

By Helena Ramsay

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The Great Chiles Rellenos Book

By Helena Ramsay

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James Beard award-winning chef Janos Wilder offers more than 30 recipes for delicious chiles rellenos, ranging in complexity to suit beginning and expert home cooks alike. Wilder introduces regiona...

Rivers and lakes

By Helena Ramsay

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Discusses the nature and origin of water, how it can form rivers and lakes, and how people can use such bodies of water.

Hot and cold

By Helena Ramsay

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Text, activities, and simple experiments explain the scientific concepts of hot and cold with examples from everyday life.

Sound

By Helena Ramsay

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Text, activities, and simple experiments explain the science of sound with examples from everyday life.

Water

By Helena Ramsay

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Text, activities, and simple experiments introduce the scientific study of water, using examples from everyday life.

Step By Step Geography

By Helena Ramsay, Sabrina Crewe, Paul Humphrey

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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.