Arnold Lobel Books

More tales of Oliver Pig

By Jean Van Leeuwen

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The new vestments

By Edward Lear

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The town fool discovers that while a suit made of pork chops, pancakes, dead mice, and similar materials is unusual it has definite disadvantages.

Frog and Toad Are Friends

By Arnold Lobel

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Frog and Toad share a series of delightful adventures, and come to the conclusion that they are really the best of friends. New readers love to read proper books with characters who have real adv...

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.