Betsy Maestro Books

Text and illustrations describe the unceasing activity at a busy seaport, including the coming and going of various ships and the moving of cargo by big machines.

Snow day

By Betsy Maestro

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Text and illustrations describe what happens after a major snowstorm, from plowing driveways and rescuing stranded motorists to clearing train tracks, airports, and harbors.

Big City Port

By Betsy Maestro

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A sea full of sharks

By Betsy Maestro

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Describes the varieties, habitats, behavior, and physical characteristics of sharks.

A Sea Full of Sharks

By Betsy Maestro

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Coming to America

By Betsy Maestro

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Explores the evolving history of immigration to the United States, a long saga about people coming first in search of food and then, later in a quest for religious and political freedom, safety, an...

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.