Betsy Maestro Books

The New Americans: Colonial Times: 1620-1689

By Betsy Maestro

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The Story of Clocks and Calendars

By Betsy Maestro

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Why Do Leaves Change Color?

By Betsy Maestro

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Explains how leaves change their colors in autumn and then separate from the tree as the tree prepares for winter.

Traffic

By Betsy Maestro

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Text and illustrations introduce words with opposite meanings such as over and under, big and little, and front and back.

Around the Clock with Harriet

By Betsy Maestro

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The grab-bag party

By Betsy Maestro

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A group of animal friends give a grab-bag party but find themselves in a dilemma when none of them gets a gift they can use.

The Pandas take a vacation

By Betsy Maestro

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Unable to agree on where to go for their vacation, the Panda family sign up with Whirlwind Tours which takes them to Paradise Park.

The perfect picnic

By Betsy Maestro

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So many events conspire to prevent Hen's picnic, it seems impossible that it will ever take place.

The travels of Freddie and Frannie frog

By Betsy Maestro

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Reading a biography of Christopher Columbus inspires Frannie and Freddie, frog sister and brother, to build a boat to explore a big pond.

The travels of Freddie and Frannie frog

By Betsy Maestro

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Reading a biography of Christopher Columbus inspires Frannie and Freddie, frog sister and brother, to build a boat to explore a big pond.

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.