William E. Warren Books

Short stories, each presented in a split sequence: the first leaves the reader on the verge of horror; the second presents an ordinary explanation for the situation.

The headless ghost: True tales of the unexplained

By William E. Warren

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Presents accounts of unexplainable occurrences involving ghosts, poltergeists, and the Bermuda Triangle.

Basketball Coach's Survival Guide: Practical Techniques and Materials for Building an Effective Program and a Winning Team

By William E. Warren, Larry F. Chapman

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Coaching & Control: Controlling Your Program, Your Team, and Your Opponents

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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.