Charles D. Cohen Books

The Seuss, the Whole Seuss and Nothing But the Seuss

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Theodor Seuss Geisel, creator of Horton the Elephant, the Grinch, the Cat in the Hat, and a madcap menagerie of the best-loved children’s characters of all time, stands alone as the preeminent figu...

The Seuss The Whole Seuss And Nothing But the Seuss

By Charles D. Cohen

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How the Grinch Stole Christmas Anniversary Edition

By Dr. Seuss, Charles D. Cohen

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The Grinch tries to stop Christmas from arriving by stealing all the presents and food from the village, but much to his surprise it comes anyway. Includes commentary and notes about the author an...

The Seuss, the whole Seuss, and nothing but the Seuss

By Charles D. Cohen

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Yertle the turtle and other stories

By Dr. Seuss

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Includes three humorous stories in verse, Yertle the Turtle, Gertrude McFuzz, and The Big Brag, followed by commentary and end notes, reproductions of illustrations from other Dr. Seuss books, and...

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.