Lisa Wheeler Books

Invasion of the pig sisters

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When Fitch the wolf, who likes to have plans, and Chip the pig, who likes surprises, decide to meet at the playground, their expectations are tested by the presence of Chip's three little sisters.

Seadogs

By Mark Siegel, Lisa Wheeler

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Castaway Cats

By Lisa Wheeler

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Fifteen felines find themselves marooned on an island and are not sure what to do.

Uncles and antlers

By Lisa Wheeler

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Each year, all seven of Octavia's unique uncles gather from far and near to join their favorite niece in a very special job.

Dino Hockey Carolrhoda Picture Books

By Lisa Wheeler

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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.