Robert E. Drennan Books

The Algonquin Wits

By None., Robert E. Drennan, Drennan, Robert E., Editor

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The wit at the poker table tended to be less sophisticated than the luncheon banter - one can't consider the possibilities of a three card flush and simultaneously create nifties - but it was at th...

Wit s end

By Robert E. Drennan

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Great American Wit

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Great American Wit

By Heywood Hale Broun, Robert E. Drennan

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Bon Mots Wisecracks And Gags The Wit Of Robert Benchley Dorothy Parker And The Algonquin Round Table

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Bon Mots Wisecracks and Gags

By Heywood Hale Broun, Robert E. Drennan

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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.