Marsha Wilson Chall Books

Mattie Young Camelot Book

By Marsha Wilson Chall

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Up North at the Cabin

By Marsha Wilson Chall

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Summer vacation up north at the cabin provides memorable experiences with the water, the animals, and the other faces of nature.

Up north at the cabin

By Marsha Wilson Chall

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Summer vacation up north at the cabin provides memorable experiences with the water, the animals, and the other faces of nature.

Happy Birthday, America!

By Marsha Wilson Chall

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Joined by an army of aunts, uncles, and cousins, eight-year-old Kay and her family celebrate the Fourth of July.

Happy Birthday, America!

By Marsha Wilson Chall

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Joined by an army of aunts, uncles, and cousins, eight-year-old Kay and her family celebrate the Fourth of July.

Prairie train

By Marsha Wilson Chall

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A young girl experiences the thrill of her first train ride when she takes the Great Northern from the country to visit her grandmother in the city.

Prairie train

By Marsha Wilson Chall

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A young girl experiences the thrill of her first train ride when she takes the Great Northern from the country to visit her grandmother in the city.

Sugarbush Spring

By Marsha Wilson Chall

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As winter melts into spring, Rosie and her grandfather collect sap, and then the whole family works together to make maple syrup.

Sugarbush spring

By Marsha Wilson Chall

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As winter melts into spring, Rosie and her grandfather collect sap, and then the whole family works together to make maple syrup.

Rupa Raises the Sun

By Rosanne Chall Marsha Wilson Litzinger

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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.