Marcia Strykowski Books

Amy s choice

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Amy starts her freshman year with a new crush on Ricky, Cat's brother, and a new friend in Finn, the lighthouse keeper, but things get complicated when Craig returns from Boston and Finn is accused...

Amy's choice

By Marcia Strykowski

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Call me Amy

By Marcia Strykowski

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For Amy Henderson, 1973 has been a lonely year of too many awkward moments to count--that is, until she helps rescue an injured seal pup. To help save Pup, she forms an unlikely alliance with a que...

Call me Amy

By Marcia Strykowski

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Roller Boy

By Marcia Strykowski

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Call Me Amy

By Marcia Strykowski

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Amy s Choice

By Marcia Strykowski

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Amy s Choice

By Marcia Strykowski

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Roller Boy

By Jaynie Royal, Lafayette Greene, Marcia Strykowski, Slobadon Djajic

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Roller Boy

By Marcia Strykowski

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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.