Gene Perret Books

Bigshots, Pipsqueaks, and Windbags: Jokes, Stories and One-Liners About People, Power and Politics

By Linda Perret, Gene Perret

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Gene Perret's Funny Business: Speaker's Treasury of Business Humor for All Occasions

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Gene Perret's Funny Business: Speaker's Treasury of Business Humor for All Occasions

By Perret Gene Perret Linda

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Comedy Writing Step by Step: How to Write and Sell Your Sense of Humor

By Keith Waterhouse, Gene Perret

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Successful Stand-Up Comedy: Advice from a Comedy Writer

By Gene Perret

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Super Silly School Jokes

By Joseph Rosenbloom, Gene Perret, Meredith Berk

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Great Bk of Zany Insults

By Inc. Sterling Publishing Co., Gene Perret

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Hundreds of retorts to use when people insult your brains, looks, grooming, and style.

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.