David Riedy Books

Outstanding Short Plays

By Aurin Squire, Amelia Roper, Harry Kondoleon, John Patrick Shanley, Craig Pospisil, David Ives, Rob Ackerman, Arlene Hutton, Aoise Stratford, David Riedy

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The Stories: Camberwell House By Amelia Roper. Elderly Neighbors Annie And Olive Have Been Friends Since They Were Children. At Twenty, They Agreed To Knock Each Other Off If They Were Still Alive...

Crosspix: Pixillated Puzzle Madness

By David Riedy

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crosspix Puzzles Are Deceptively Simple, Very Much Like Sudoku. Through A Logical Process Of Elimination And Comparison, You Use The Numbers Provided To Determine Which Squares Should Be Filled In....

Wiley Cpaexcel Exam Review 2014 Study Guide

By O. Ray Whittington, David Riedy

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Most widely used CPA exam review products worldwide'I wanted to say I bought just the four books by Wiley for each CPA section and took all 4 parts of the exam in May 2009. I studied for about half...

Zakódované Obrázky : Další Luštitelská Mánie

By David Riedy

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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.