Harry Allard Books

The Cactus Flower Bakery

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A Nearsighted Armadillo Meets An Ostracized Snake In The Desert And, Not Realizing What Kind Of Animal She Is, Helps Her Open A Bakery.

Arthur's Family Vacation

By Marc Tolon Brown

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Arthur's Family Vacation: An Arthur Adventure

By Marc Brown

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Arthur is unhappy about going on vacation with his family, but he shows them how to make the best of a bad situation when they end up stuck in a motel because of rain.

Arthur's Family Vacation: An Arthur Adventure

By Marc Brown

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Arthur's Family Vacation: An Arthur Adventure

By Marc Brown

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Arthur is unhappy about going on vacation with his family, but he shows them how to make the best of a bad situation when they end up stuck in a motel because of rain.

Crash Helmet

By Harry Allard

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A lonely vulture and a four thousand-year-old mummy help each other adjust to the demands of twentieth-century life.

May I Stay?

By Harry Allard

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A traveler queries an old man and eight generations of his ancestors if he can spend the night in their house.

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.