Kenneth Rodriguez Books

Set of materials for classroom use in teaching about the concept of authority; one of four parts of grades K-2 social studies curriculum on U.S. democracy.

Orb and Effy learn about authority

By James L. Keane

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Set of materials for classroom use in teaching about the concept of authority; one of four parts of grades K-2 social studies curriculum on U.S. democracy.

Foundations of Democracy

By Richard Stein, Kenneth Rodriguez, Theresa M. Richard

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Fair bears learn about justice Foundations of democracy

By Kenneth Rodriguez

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Your Successful Real Estate Career

By Kenneth Rodriguez

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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.