Nancy L. Carlson Books

Louanne Pig in the mysterious valentine

By Nancy L. Carlson

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When she receives a valentine from a secret admirer, Louanne Pig tries to find out who sent it.

Harriet and Walt

By Nancy L. Carlson

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During a day's playing in the snow, Harriet decides that her little brother Walt isn't as big a pest as she once thought he was.

Loudmouth George and the big race

By Nancy L. Carlson

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George brags, procrastinates, and offers excuses instead of training for the big race--much to his later embarrassment.

Louanne Pig in the mysterious valentine

By Nancy L. Carlson

Average: 0.00, 0 Ratings

When she receives a valentine from a secret admirer, Louanne Pig tries to find out who sent it.

Harriet and Walt

By Nancy L. Carlson

Average: 0.00, 0 Ratings

During a day's playing in the snow, Harriet decides that her little brother Walt isn't as big a pest as she once thought he was.

Loudmouth George and the big race

By Nancy L. Carlson

Average: 0.00, 0 Ratings

George brags, procrastinates, and offers excuses instead of training for the big race--much to his later embarrassment.

Loudmouth George and the Sixth Grade Bully

By Nancy L. Carlson

Average: 0.00, 0 Ratings

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.