Brian Weiss Books

Messages from the Masters

By Brian L. Weiss

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Through Time into Healing

By Brian L. Weiss

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Messages from the Masters

By Weiss MD Brian

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Regression to Times and Places

By Brian L. Weiss M.D.

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The MEDITATION REGRESSION Series . . .helps you discover and learn meditation and regression techniques. The meditations utilize powerful imagery to promote physical, mental, and spiritual healing...

Spiritual Progress Through Regression

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Regression Through The Mirrors Of Time

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MANY LIVES MANY MASTERS 20TH ANNIVERSARY EDITION With a New Afterword by the Author

By Brian Weiss

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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.