John W. Bloch Books

Witch, Witch, Burning Bright

By Bloch, John W, John W. Bloch, Bloch, John W.

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Reproduction of the teleplay for the eighth episode from The Sixth Sense TV series which was produced by and filmed at Universal Studios, and broadcast by ABC from January 15 to December 23, 1972....

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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.

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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.