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.

"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...

Justin Bieber uncovered

By Tori Kosara

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LEGO Minifigure Mission

By Tori Kosara

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Do you have what it takes to help a LEGO® minifigure with your LEGO building skills?A LEGO® minifigure is lost and needs to get back to the safety of the toy shelf with his other LEGO friends. But...

LEGO Minifigure Mission (Library Edition)

By Tori Kosara

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Do you have what it takes to help a LEGO® minifigure with your LEGO building skills? A LEGO® minifigure is lost and needs to get back to the safety of the toy shelf with his other LEGO frie...

LEGO Pocket Builder Vehicles

By Tori Kosara

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A one-stop introduction to building with LEGO bricks for young builders, packed with tips and tricks for making LEGO vehicle models Become a LEGO building expert with stacks of facts, tips, and tri...

LEGO Pocket Builder Nature

By Tori Kosara

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A one-stop introduction to building with LEGO® bricks for young builders, packed with tips and tricks for making LEGO models of plants, animals, and natural wondersBuild your LEGO® skills with this...

Justin Bieber

By Tori Kosara

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From Justin's likes, dislikes, and most embarrassing moments to tips on how to pull off his skater style, this must-have book is filled with all the facts a fan should know.

Justin Bieber

By Tori Kosara

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From Justin's likes, dislikes, and most embarrassing moments to tips on how to pull off his skater style, this must-have book is filled with all the facts a fan should know.

The LEGO Games Book

By Tori Kosara

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Build in some time for fun! Comes with bricks to play 9 games.Who can stack the tallest tower in 60 seconds? Can anyone solve the puzzle cube? With more than 50 fun challenges, puzzles, brainteaser...

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.