Gene Zion Books

Harry the Dirty Dog

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When a white dog with black spots runs away from home, he gets so dirty his family doesn't recognize him as a black dog with white spots.

No Roses for Harry!

By Gene Zion

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Harry the dog finds a graceful way to dispose of his new sweater with roses on it.

Harry, El Perrito Sucio Harry, the Dirty Dog

By Gene Zion

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When a white dog with black spots runs away from home, he gets so dirty his family doesn't recognize him on his return as a black dog with white spots.

Harry en la playa

By Gene Zion

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When a wave washes over a dog and covers him with seaweed, he is mistaken for a sea monster.

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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.

Gene Zion Books

The plant sitter

Harry by the Sea

Harry the Dirty Dog

Hide and Seek Day

Jeffie's Party

No Roses for Harry!

Summer Snowman

Really Spring

Harry, El Perrito Sucio Harry, the Dirty Dog

Harry en la playa

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