Daryl K. Cobb Books

Henry Hare s floppy socks

By Daryl K. Cobb

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Daniel Dinosaur

By Daryl K. Cobb

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Tells the story of a four-year-old dinosaur who is sixty feet tall and likes to play with his sister, Sue.

Bill the Bat Finds His Way Home

By Daryl K. Cobb

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Do Pirates Go To School

By Daryl K. Cobb

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Daddy did I ever say

By Daryl K. Cobb

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A rhyming story in which a young girl describes all of the ways she loves her father.

Bill the bat loves halloween

By Daryl K. Cobb

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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.