Megan McDonald Books

Seventh grader Hallie is adjusting to friendship with an exciting older boy when her father, a bridge builder temporarily out of work, becomes an angry stranger in his own house.

Insects are my life

By Megan McDonald

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No one at home or school understands Amanda Frankenstein's devotion to insects until she meets Maggie.

My house has stars

By Megan McDonald

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Young people describe the different kinds of homes they live in around the world and how they see the stars.

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.