Michael E Salla Books

Insiders reveal secret space programs extraterrestrial alliances

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A detailed investigation of insider testimonies regarding secret space programs, these disclosures reveal a parallel world of these programs and extraterrestrial alliances. Further exploration of "...

Exopolitics

By Michael E Salla

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Kennedy's Last Stand

By Michael E. Salla

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Just before beginning his first term on January 20, 1993, President-Elect Clinton made a very strange request to close family friend and lawyer Webster Hubbell: "If I put you over there in justice...

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.