Linda Joy Singleton Books

The Curious Cat Spy Club

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"Classmates Kelsey, Becca, and Leo have nothing in common--until they rescue three kittens and form a secret club to help animals"--

The mystery of the Zorse s mask

By Linda Joy Singleton

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"The CCSC is back with another animal mystery to solve! Ever since they formed the Curious Cat Spy Club, Kelsey, Becca, and Leo have been perfecting their spy skills, from decoding messages to pick...

Kelsey the spy

By Linda Joy Singleton

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Kelsey can't resist collecting secrets in her spy notebook--just like her hero, Harriet the Spy. When she learns Leo has been hiding something from the group, she writes his secret in her notebook...

The Mystery of the Zorse s Mask The Curious Cat Spy Club

By Linda Joy Singleton

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The Secret of the Shadow Bandit

By Linda Joy Singleton

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The Secret of the Shadow Bandit

By Linda Joy Singleton

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278 pages ; 21 cm

The Curious Cat Spy Club Boxed Set 1 3

By Linda Joy Singleton

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Almost Twins

By Joy Singleton

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Don t Die Dragonfly

By Linda Joy Singleton

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Dead Girl Walking

By Linda Joy Singleton

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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.