title: Sword Art Online 10 - light novel
author:  Reki Kawahara 
description: Reki Kawahara is an award winning author best known for his light novel series, <i>Sword Art Online</i> and <i>Accel World</i>.
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  # [Copyright](../Text/toc.xhtml#toc-copyright)
  
  
  SWORD ART ONLINE, Volume 21: UNITAL RING I
  
  
  REKI KAWAHARA
  
  
  Translation by Stephen Paul
  
  
  Cover art by abec
  
  
  This book is a work of fiction. Names, characters, places, and incidents are
  the product of the author’s imagination or are used fictitiously. Any
  resemblance to actual events, locales, or persons, living or dead, is
  coincidental.
  
  
  SWORD ART ONLINE Vol.21
  
  
  ©Reki Kawahara 2018
  
  
  Edited by Dengeki Bunko
  
  
  First published in Japan in 2018 by KADOKAWA CORPORATION, Tokyo.
  
  
  English translation rights arranged with KADOKAWA CORPORATION, Tokyo, through
  Tuttle-Mori Agency, Inc., Tokyo.
  
  
  English translation © 2021 by Yen Press, LLC
  
  
  Yen Press, LLC supports the right to free expression and the value of
  copyright. The purpose of copyright is to encourage writers and artists to
  produce the creative works