Gloria Whelan Books

Homeless Bird

By Gloria Whelan

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Angel on the square

By Gloria Whelan

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In 1913 Russia, twelve-year-old Katya eagerly anticipates leaving her St. Petersburg home, though not her older cousin Misha, to join her mother, a lady in waiting in the household of Tsar Nicholas...

Angel on the square

By Gloria Whelan

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Chu Ju's house

By Gloria Whelan

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In order to save her baby sister, fourteen-year-old Chu Ju leaves her rural home in modern China and earns food and shelter by working on a sampan, tending silk worms, and planting rice seedlings,...

The Wanigan

By Gloria Whelan

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The Indian school

By Gloria Whelan

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In 1839, newly orphaned eleven-year-old Mary goes to live with her missionary aunt and uncle who run a school for Indian children in northern Michigan.

Hannah

By Gloria Whelan

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Indian School A Trophy chapter book

By Gloria Whelan

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Shadow of the Wolf Stepping Stone Books

By Gloria Whelan

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Return to the Island

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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.