Robert Weissberg Books

On today's menu of remedies for our social and economic ills, empowerment has become immensely popular. The scholarly literature abounds with it: computerized searches yield thousands of citations...

Esl Students In The Public Speaking Classroom: A Guide For Teachers

By Dan O Hair, Robbin Crabtree, Robert Weissberg

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Polling, Policy, And Public Opinion

By Robert Weissberg

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"Each year hundreds of opinion polls announce the desire of the American public to expand social welfare programs. Whether increasing funding for schools, assisting the poor, or subsidizing prescri...

Understanding American Government - Alternate Edition

By Robert Weissberg

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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.