Tori Kosara Books

Marcel and Paddy save the day

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Marcel the goose and Paddy the duck help two wolves, Humphrey and Kate, return to their home in Canada after they were brought to a national park in Idaho.

Lonesome George finds his friends

By Victoria Kosara

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Lonesome George is a famous Galapagos tortoise. He's thought to be the only Galapagos tortoise left in the world. Kids will love following him as he meets other unique animals that live in the Gala...

Wild Weather Around the World

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The Pig

By The Pig Club

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Gabby Douglas

By Tori Kosara

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"Gabby Douglas made history at the 2012 Olympic Games in London when she became the first ever African American gymnast to win gold in the all-around competition. But the road to winning Olympic go...

Star Pilot

By DK Publishing

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Justin Bieber A Decouvert

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DK Readers L3: Star Wars: The Story of Darth Vader

By Catherine Saunders Tori Kosara

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This reading book for kids covers all the information that you could ever want to know about Anakin Skywalker and his transition to the evil Darth Vader!Come to the Dark Side. If your child is Star...

DK Readers Level 1 Fingerlings

By Tori Kosara

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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.