Daniel Kirk Books

Humpty Dumpty

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While watching young King Moe's birthday parade, Humpty Dumpty falls and breaks, but the King is able to put him back together.

Rex Tabby

By Daniel Kirk

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Rex Tabby fights crime along with his partners, Simon Meeze and Frankie Fluff.

Santa Claus the movie pop-up panorama book

By Dan Kirk, Daniel Kirk

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A woodcutter, magically transported to Elf Village, becomes Santa Claus and a discouraged elf finds trouble at the B.Z. Toy Company in New York City. Features punch-out figures and pop-up illustrat...

Miss Spider

By Daniel Kirk

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Library Mouse

By Daniel Kirk

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Library Mouse

By Glen Acres School, Daniel Kirk

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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.