Phyllis Christopher Books

I Am My Lover

By Joani Blank, Annie Sprinkle, Michael A. Rosen, Ron Raffaelli, Craig Morey, Victoria Heilweil, Phyllis Christopher, Down There Press

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Joani Blank, Editor ; Photography By Phyllis Christopher ... [et Al.]. 1st Edition Published In 1978, Photographs By Honey Lee Cotrell; Original Art And Printing Plates Lost.--cf. P. 1. Includes Bi...

The Crack Mini Guide To The North East

By Robert Meddes, Phyllis Christopher, Sam Hurst (Editor), Hannah Layford, Philip Maughan, Terri Eaton, Joseph White (Photographer), Hayley Ramage, Helen Collard, Dan Civico

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218 pages : 16 cm Cover title At head of title: The crack

Dark Room

By P. Christopher, Phyllis Christopher

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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.