Ann Fitzpatrick Alper Books

Harry McNairy, Tooth Fairy

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Harry McNairy, the Tooth Fairy assigned to North Mill Valley, is astounded when Michael refuses to trade in his lost tooth for money.

Forgotten voyager

By Ann Fitzpatrick Alper, Ann Alper

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A biography of the Italian-born merchant, explorer, and navigator who made several voyages to the New World and for whom America is named.

A Brief Green History of Planet Earth

By Ann Fitzpatrick Alper

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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.