Richard Tchen Books

Spinners

By Richard Tchen, Donna Jo Napoli

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Spinners

By Richard Tchen, Donna Jo Napoli

Average: 0.00, 0 Ratings

Spinners

By Richard Tchen, Donna Jo Napoli

Average: 0.00, 0 Ratings

How hungry are you?

By Donna Jo Napoli

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An ever-increasing group of animals go on a picnic, finding a way to divide the food that they all have contributed.

Corkscrew counts

By Donna Jo Napoli

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Corkscrew the pig is celebrating his birthday, but as his owners and their friends form various groups to play games, they leave out Corkscrew and his new friend, Pirate the parrot, who make it cle...

Spinners

By Richard Tchen, Donna Jo Napoli

Average: 0.00, 0 Ratings

Elaborates on the events recounted in the fairy tale, "Rumpelstiltskin," in which a strange little man helps a miller's daughter spin straw into gold for the king on the condition that she will giv...

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.