Hellman, Hal, 1927- Books

Great Feuds In Technology: Ten Of The Liveliest Disputes Ever

By Hal Hellman, Hellman, Hal, 1927-

Average: 0.00, 0 Ratings

If Someone Were To Ask You Who Invented The Miner's Safety Lamp, You'd Probably Have No Trouble Answering I Don't Know. But What About The Telegraph? The Automobile? The Airplane? Television? Confl...

Great Feuds In Mathematics: Ten Of The Liveliest Disputes Ever

By Hal Hellman, Hellman, Hal, 1927-

Average: 0.00, 0 Ratings

Praise for Hal Hellman Great Feuds in Mathematics "Those who think that mathematicians are cold, mechanical proving machines will do well to read Hellman's book on conflicts in mathematics. The mai...

Great Feuds In Mathematics

By Hal Hellman, Hellman, Hal, 1927-

Average: 0.00, 0 Ratings

Great Feuds In Mathematics: Ten Of The Liveliest Disputes Ever

By Hal Hellman, Hellman, Hal, 1927-

Average: 0.00, 0 Ratings

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.