Gertrude Chandler Warner Books

The Woodshed Mystery Boxcar Children

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The Woodshed Mystery

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Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery of an old woodshed in this illustrated chapter book ser...

Houseboat Mystery Boxcar Children Mysteries

By Gertrude Chandler Warner

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Houseboat Mystery

By Gertrude Chandler Warner

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Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate a mystery while vacationing on a houseboat in this illustrated chap...

The Yellow House Mystery

By Gertrude Chandler Warner

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Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery of the yellow house in the third book in this illustrat...

The Basketball Mystery

By Gertrude Chandler Warner

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The Aldens investigate when the new coach of their community basketball league has her Most Valuable Player trophy stolen.

The Yellow House Mystery

By Gertrude Chandler Warner

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Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery of the yellow house in the third book in this illustrat...

The Basketball Mystery

By Gertrude Chandler Warner

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The Boxcar Children join a basketball team and are thrilled to find out the famous Buzz and Tipper Nettleton are their coaches! But when practice schedules get mixed up, and Tipper's Most Valuable...

The Yellow House Mystery (The Boxcar Children: Time to Read, Level 2)

By Gertrude Chandler Warner

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Years ago, a man disappeared from the yellow house on Surprise Island. Why? The Aldens have found a clue to the mystery! Adapted from Gertrude Chandler Warner's story of the same name, this early r...

The Hurricane Mystery

By Gertrude Chandler Warner

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While visiting a friend of their grandfather's on Sullivan's Island, off the coast of South Carolina near Charleston, the Boxcar Children encounter mysterious activities related to rumors of a buri...

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.