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The Practice Effect

Published
Apr 1984
Main Genre
Science Fiction Sci-Fi
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About This Book

Physicist Dennis Nuel was the first human to probe the strange realms called anomaly worlds—alternate universes where the laws of science were unpredictably changed. But the world Dennis discovered seemed almost like our own—with one perplexing difference. To his astonishment, he was hailed as a wizard and found himself fighting beside a beautiful woman with strange powers against a mysterious warlord as he struggles to solve the riddle of this baffling world.

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Paperback

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Mass Market Paperback
First Edition Apr 1984 Bantam ISBN 0553239929
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Mass Market Paperback
Apr 1984 Bantam ISBN 0553252151
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Mass Market Paperback
Jan 1985 Bantam ISBN 0553255932
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Mass Market Paperback
Feb 1995 Bantam ISBN 055326981X
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Hardcover

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Hardcover
Jan 1995 Turtleback Books ISBN 0785787216
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eBook

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eBook
Dec 2009 Random House ISBN 0307575020
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eBook
Dec 2009 Spectra ISBN B0031W1DZ0
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eBook
Dec 2009 David Brin

Audio

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Audible
May 2012 Audible Studios ISBN B008563MK6
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MP3 CD
May 2016 Brilliance Audio ISBN 1511397144
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