Sally Derby Books

Kile, almost thirteen, spends much of the summer yearning to explore a nearby island, striving to be a good brother, fishing with an elderly neighbor, and fuming at his parents over their separatio...

Kyle's Island

By Sally Derby Author

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What do you do when your family falls apart?For as far back as Kyle can remember, summers have belonged to Gram's cottage on the lake—playing around, fishing all day, and hanging out with the...

No mush today

By Sally Derby

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A young girl who is tired of eating mush for breakfast every day seeks solace with her grandmother, but comes to realize that she misses her family after all.

No Mush Today

By Sally Derby, Nicole Tadgell

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My Steps

By Sally Derby, Adjoa J. Burrowes

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Sunday Shopping Sunday Shopping

By Sally Derby, Shadra Strickland

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No Mush Today

By Sally Derby, Nicole Tadgell

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Hannah's bookmobile Christmas

By Sally Derby

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Blue Bird the bookmobile provides shelter on a snowy Christmas Eve night.

New School Year

By Sally Derby

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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.