Lloyd J. Schwartz Books

The Newlyweds A Comedy in Three Acts

By Lloyd J. Schwartz

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Brady Brady Brady

By Sherwood Schwartz

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"Here's the real story...In 1969, television history changed forever with the debut of The Brady Bunch. Popular but never #1 in its time, the original series ran for five years before being cancele...

The Brady Bunch movie

By Bonnie Turner, David Kirkpatrick, Terry Turner, Sherwood Schwartz, Betty Thomas, Lloyd J. Schwartz

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Mike and Carol have just one week to come up with $20,000 in back taxes or they will lose their houe to a scheming neighbor. To make matters worse, Marcia gets a swollen nose on date night. Cindy's...

Brady Brady Brady

By Sherwood Schwartz, Lloyd J. Schwartz

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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.