Nostradamus Books

An almanacke for the yeare of oure Lorde God, 1559. Composed by Mayster Mychael Nostradamus, Doctour of Physike

By Nostradamus

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Nostradamus Centurias

By Nostradamus, Aerl

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The Prophecies

By Nostradamus

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The first major literary presentation of Nostradamus's Prophecies, newly translated and edited by prizewinning scholars The mysterious quatrains of the sixteenth-century French astrologer Nost...

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.