Herbert D. Kastle Books

Nick Leib walked into the shop and saw her. She was about half his age -- but a tingling in his groin told him that wasn't going to mean a thing. It began as a novelty, like the toys he carried in...

Cross Country

By Herbert D. Kastle, Herbert Kastle

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The Three Lives Of Edward Berner

By Herbert D. Kastle, Herbert Kastle

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The Gang

By Herbert D. Kastle, Herbert Kastle, (By) Herbert Kastle

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316 pages ; 23 cm Originally published: New York : Dell, 1976

David'S War

By Herbert D. Kastle, Herbert Kastle

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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.