Judy Hawes Books

Fireflies in the night

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Describes how fireflies make their light, tells how to catch and handle them, and notes several interesting uses for firefly light.

Why frogs are wet

By Judy Hawes

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A brief study of the first creatures on earth to develop voices and an aversion to dry skin.

Fireflies in the Night: Revised Edition

By Judy Hawes

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Describes how and why fireflies make their light, how to catch and handle them, and several uses for firefly light.

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.

Judy Hawes Books

Fireflies in the night

Fireflies in the Night

Why frogs are wet

Why Frogs Are Wet

Why Frogs Are Wet

Fireflies in the Night: Revised Edition

Why Frogs Are Wet

Fireflies in the Night

Why Frogs Are Wet

Ladybug ladybug fly away home

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?