Knight Christopher Books

The Holy Grail

By Knight Christopher

Average: 0.00, 0 Ratings

The Hiram key

By Christopher Knight, Knight Christopher

Average: 0.00, 0 Ratings

The lost secrets of freemasonry -- The search begins -- The Knights Templar -- The gnostic connection -- Jesus Christ: man, god, myth or freemason -- In the beginning man made god -- The legacy of...

Last chance for Eden

By Knight Christopher

Average: 0.00, 0 Ratings

One of the most significant art critics of the late 20th century, Christopher Knight has developed an entirely new approach to American art and culture. His journalistic writings have a clear line...

Last chance for Eden

By Knight Christopher

Average: 0.00, 0 Ratings

One of the most significant art critics of the late 20th century, Christopher Knight has developed an entirely new approach to American art and culture. His journalistic writings have a clear line...

The Hiram key

By Knight Christopher

Average: 0.00, 0 Ratings

The Hiram key

By Knight Christopher

Average: 0.00, 0 Ratings

Before the pyramids

By Knight Christopher

Average: 0.00, 0 Ratings

Christopher Knight and Alan Butler establish conclusively that even before the last ice age an advanced civilization existed that had knowledge of Megalithic and metric measuring systems and of the...

Before the pyramids

By Knight Christopher

Average: 0.00, 0 Ratings

Before the Pyramids

By Christopher Knight, Alan Butler

Average: 0.00, 0 Ratings

This page-turning study of the Giza pyramids, British henges, and the megalithic measuring system “could completely change the way we view our remote past…and origins” (Robert G....

L' art des annees soixante et soixante-dix

By Knight Christopher

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.