Nancy Kelly Allen Books

My life as an early settler

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This book teaches students how early settlers sailed the oceans to come to America for a new life, the struggles they faced, and how their lives were forever changed. Maps, routes they took, and fa...

On the Banks of the Amazon En las orillas del amazonas Bilingual

By Eida De LA Vega, Nancy Kelly Allen

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Hopping on the number line

By Nancy Kelly Allen

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This math concept book engages young readers through simple text and photos as they learn about number lines.

Big C and Little Ox

By Nancy Kelly Allen

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Whose Sound Is This

By Nancy Kelly Allen

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Whose Work Is This

By Nancy Kelly Allen

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Whose Sound Is This

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Whose Work Is This

By Nancy Kelly Allen

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Granite and Other Igneous Rocks

By Nancy Kelly Allen

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Happy birthday

By Nancy Kelly Allen

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The story about who two sisters, Mildred and Patty Hill, wrote the music and lyrics to the most popular song in the world "Happy birthday to you".

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.