ACE

Published by Berkley

An imprint of Penguin Random House LLC

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Copyright © 1981 by Herbert Properties LLC

“Introduction” by Brian Herbert copyright © 2008 by DreamStar, Inc.

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ACE is a registered trademark and the A colophon is a trademark of Penguin Random House LLC.

Portions of this novel appeared in Playboy magazine.

Ebook ISBN: 9781440631979

G. P. Putnam’s Sons edition / May 1981

Berkley trade paperback edition / April 1982

Berkley edition / May 1983

Ace mass-market edition / June 1987

Ace hardcover edition / September 2008

Ace premium edition / June 2019

Cover art and design by Jim Tierney

This is a work of fiction. Names, characters, places, and incidents either are the product of the author’s imagination or are used fictitiously, and any resemblance to actual persons, living or dead, business establishments, events, or locales is entirely coincidental.