Kathleen N. Daly Books

Santa joins a sleigh full of animals and together they deliver gifts and attend a Christmas party. The words to the song, "Jingle Bells," are woven into the story.

Dinosaurs

By Kathleen N. Daly

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Little sister

By Kathleen N. Daly

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David's little sister, Liz, proves that she is more than just a pest when she rescues a baby from walking over a bed of sea urchins at the beach.

Look at you

By Kathleen N. Daly

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An easy-to-read introduction to human physiology describing how the brain, muscles, eyes, ears, and other parts of the body function.

The Cat Book.

By Marianne. Besser

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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.