Lee Wardlaw Books

101 ways to bug your teacher

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Steve "Sneeze" Wyatt attempts to thwart his parents' plan to have him skip eighth grade, but he has bigger problems when his friends disapprove of his new list and Mrs. "Fierce" Pierce threatens to...

101 Ways to Bug Your Parents

By Lee Wardlaw

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Hector's hiccups

By Lee Wardlaw

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When Hector gets the hiccups, his brother and sister try everything they can think of to make them go away.

The tales of Grandpa Cat

By Lee Wardlaw

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When his grandchildren come to visit him in his retirement community, Grandpa Cat entertains them with exciting tales about the exploits of various fellow residents--Billy the Kitten, Diamond Jim K...

Punia and the King of Sharks

By Lee Wardlaw

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Clever Punia, a Hawaiian fisherman's son, finds different ways to trick the King of Sharks and take his tasty lobsters away from him.

101 Ways to Bug Your Teacher

By Lee Wardlaw

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101 Ways to Bug Your Parents

By Lee Wardlaw

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Tales of Grandpa Cat

By Lee Wardlaw

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101 Ways to Bug Your Parents

By Lee Wardlaw

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101 Ways to Bug Your Teacher

By Lee Wardlaw

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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.