George Lang Books

In this memoir, George Lang tells the story - as only he can tell it - of his extraordinary life. Seasoning his account with splashes of comedie noire, as he relives the horrors of the Nazi takeove...

Cuisine of Hungary

By George Lang

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Making Wawa

By George Lang

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"A two-edged sword of reconciliation and betrayal, Chinook Jargon (aka Wawa) arose at the interface of "Indian" and "White" societies in the Pacific Northwest. Wawa's sources lie first in the langu...

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.