Kelly Milner Halls Books

Sometimes animals need help, and sometimes they do the helping! Readers will sit on the edge of their seats as they read these exhilarating—and completely true!—stories of heroic animal...

The Random House Dinosaur Travel Guide

By Kelly Milner Halls

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Tales of the Cryptids

By Roxyanne Yong, Ed Sala, Rick Spears, Kelly Milner Halls

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Dive into danger

By Kelly Milner Halls

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Fourteen-year-old Pudge spends most of his time in the basement avoiding his marine biologist father and playing World of Warcraft, but when missing school earns him a suspension and he joins his f...

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.