Arnold Lobel Books

Days with Frog and Toad

By Arnold Lobel

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Frog and Toad spend their days together, but find sometimes it's nice to be alone.

The comic adventures of Old Mother Hubbard and her dog illustrations by Arnold Lobel.

By Sarah Catherine Martin

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Great Blueness and Other Predicaments

By Arnold Lobel

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Talesof Oliver pig

By Jean Van Leeuwen

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Star Thief

By Arnold Lobel, Andrea Dinoto

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Oscar Otter

By Nathaniel Benchley, Arnold Lobel

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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.