Zeno Zeplin Books

Secrets of Silver Valley

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An orphaned Hispanic girl and her disabled brother change the life of an elderly shepherd living in the rural Southwest.

Secrets of Silver Valley

By Zeno Zeplin

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An orphaned Hispanic girl and her disabled brother change the life of an elderly shepherd living in the rural Southwest.

The haunted classroom

By Zeno Zeplin

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Following the fourth grade class's local history reports, eerie happenings occur in their classroom, suggesting the presence of a ghost.

The haunted classroom

By Zeno Zeplin

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Following the fourth grade class's local history reports, eerie happenings occur in their classroom, suggesting the presence of a ghost.

Popcorn is missing!

By Zeno Zeplin

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Katy and Beth investigate when Jody the clown's dog vanishes after a performance.

Popcorn is missing!

By Zeno Zeplin

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Katy and Beth investigate when Jody the clown's dog vanishes after a performance.

Secret magic

By Zeno Zeplin

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When Lauren's hair loss due to cancer treatments makes her the object of her classmates' teasing, her uncle David comes up with a plan to win her friends.

Secret magic

By Zeno Zeplin

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When Lauren's hair loss due to cancer treatments makes her the object of her classmates' teasing, her uncle David comes up with a plan to win her friends.

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.