Betsy Harris Books

Exploring Concepts In Biology

By Michael Windelspecht, Betsy Harris

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Hard to get

By Betsy Harris

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Although their values clash, Kate pursues a handsome new student who isn't immediately captivated by Kate's popularity, good looks, and membership in the "in" crowd.

Here in my heart

By Betsy Harris

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A shy and self-conscious aspiring poet finds herself attracted to the leader of a student rock band.

Only friends

By Betsy Harris

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When Beth sees her old pal Adam for the first time since he went to summer camp, she is so struck by the changes in him she knows they can no longer be "only friends."

Secret love

By Betsy Harris

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Kim writes a column for her school newspaper as Answer Person, and finds herself advising Ted, the boy she likes, on how to impress another girl.

Explorations in General Biology

By Michael Windelspecht, Betsy Harris

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Explorations in General Biology II

By Michael Windelspecht, Betsy Harris

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Biology 1801

By Tracy Myhalyk, Michael Windelspecht, Betsy Harris

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Biology 1802

By Tracy Myhalyk, Michael Windelspecht, Betsy Harris

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Explorations in General Biology Ii

By Michael Windelspecht, Betsy Harris

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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.