Julia L. Sauer Books

Weather, Wings, and Kite Strings

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Collections 5 Tales - Clever, Foolish, and Brave

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Fog Magic

By Julia L. Sauer

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A Newbery Honor Book. Greta had always loved the fog—the soft gray mist that rolled in from the sea and drifted over the village. The fog seemed to have a secret to tell her. Then one day when Gret...

The Light at Tern Rock

By Julia L. Sauer

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A Newbery Honor Book Will Ronnie have to spend Christmas stranded in a lighthouse? Ronnie and his aunt are tending the Tern Rock lighthouse for two December weeks while its keeper takes a much-ne...

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.