Polly Horvath Books

Mr. and Mrs. Bunny-- detectives extraordinaire!

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Middle-schooler Madeline's hippy parents have been kidnapped from Hornby Island, Canada, by foxes and Madeline, upon discovering that she can understand animal languages, hires two rabbit detective...

One Year in Coal Harbor

By Polly Horvath

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Readers rejoice—Primrose Squarp is back! The wise and curious heroine of the Newbery Honor Book Everything on a Waffle is facing another adventure-filled year in Coal Harbor. Even though her paren...

Everything on a Waffle

By Polly Horvath

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Everything on a Waffle

By Polly Horvath

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Everything on a Waffle

By Polly Horvath

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When the Circus Came to Town

By Polly Horvath

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Canning Season

By Polly Horvath

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Happy Yellow Car

By Polly Horvath

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Occasional Cow

By Polly Horvath

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When the Circus Came to Town

By Polly Horvath

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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.