William Hellermann Books

Interviews With American Composers: Barney Childs In Conversation

By Prof. Ben Johnston, John Schneider, James Pritchett, Harold Budd, Frances White, Barney Childs, Virginia Anderson, Robert Fink, Jeffrey Perry, Salvatore Martirano, Christian Wolff, William Bolcom, Donald Martino, Sydney Hodkinson, Larry Austin, Thomas S. Clark, Michael Sahl, William Hellermann, Morris, Robert, Dave Headlam, Stuart Dempster, Michelle Fillion, William Albright, Gayle Sherwood Magee, Horace J. Maxile Jr., Alvin Lucier, Joel Chadabe, Robert Ashley, Peter Westergaard, Bruce Quaglia, Charles Wuorinen, Kevin Holm-Hudson, Jay M. Arms, Gordon Mumma, Phil Winsor, Olly Wilson, Charles Dodge, Peter Gena, David Neal Lewis, Sara Haefeli, Loren Rush, Rob Haskins, Ronald Kuivila, Daniel Lentz

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In 1972-73, Barney Childs Embarked On An Ambitious Attempt To Survey The Landscape Of New American Concert Music. He Recorded Freewheeling Conversations With Fellow Composers, Most Of Them Under Fo...

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.