John E. Upledger Books

Working Wonders

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In this extensive collection, 145 practitioners from around the world tell how CranioSacral Therapy, a method of using gentle pressure to evaluate and improve the functioning of the central nervous...

Cell Talk

By John E. Upledger

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Craniosacral therapy (CST) has become an important modality in treating trauma and promoting wellness. With its gentle approach to working with the spine, the skull and its cranial sutures, diaphra...

A Brain is Born

By John E. Upledger

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CranioSacral Therapy

By John E. Upledger

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Auf den inneren Arzt horen. Eine Einfuhrung in die Craniosacral Arbeit.

By John E. Upledger

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Terapia Craneosacra Tomo II. MA s allA de la duramadre

By John E. Upledger

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A Brain Is Born

By John E. Upledger

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Witness the dramatic unfolding of the human form in all its potential. Join John E. Upledger, D.O.,O.M.M., as he takes you from the first union of sperm and egg through the development of the compl...

Craniosacral Therapy

By John E. Upledger

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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.