Kathleen M. Reilly Books

Explore life cycles

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Containing an eye-catching combination of cartoons, fun facts, and exciting projects, this hands-on guide explores how plants and animals are classified, how environment affects life cycles, and ho...

Explore solids and liquids!

By Kathleen M. Reilly

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"For a kid, watching a solid turn into a liquid or a liquid into a gas is nothing short of magic. In Explore Solids and Liquids! With 25 Great Projects kids experience the wonder of different state...

Explore life cycles

By Kathleen M. Reilly

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Cities

By Kathleen M. Reilly

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Profiles the systems that work together to keep urban areas running safely, discussing how cities have evolved since the first riverside settlements while outlining projects that explain facts abou...

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.