Arnold Lobel Books

The beloved classic about friendship—a Newbery Honor Book! Frog and Toad are best friends—they do everything together. When Toad admires the flowers in Frog's garden, Frog gives him seeds to grow...

Frog and Toad All Year

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In winter, spring, summer, and fall, Frog and Toad are always together. From sledding in winter to eating ice cream on hot summer days, these two friends have fun the whole year round! Frog and To...

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.