Heidi Schulz Books

Hook s revenge

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Captain Hook's swashbuckling daughter must avenge her infamous father's death at the jaws of the Neverland crocodile. Captain Hook's swashbuckling daughter must avenge her infamous father's death...

The pirate code

By Heidi Schulz

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"Fresh off her victory over the Neverland crocodile, Jocelyn Hook and her pirate crew hunt for Captain Hook's hidden treasure"--

Hook's revenge

By Heidi Schulz

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Captain Hook's swashbuckling daughter must avenge her infamous father's death at the jaws of the Neverland crocodile. Captain Hook's swashbuckling daughter must avenge her infamous father's death...

Pirate Code

By Heidi Schulz, John Hendrix

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Pirate Code

By Heidi Schulz, John Hendrix

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Giraffes Ruin Everything

By Heidi Schulz, Chris Robertson

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Giraffes Ruin Everything

By Heidi Schulz, Chris Robertson

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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.