Complex sentence: Six DVD compilation volumes were released by Kadokawa Pictures between March 26 and August 28,2010 and a guidebook to the series called was released on May 20,2010 by Kadokawa Shoten.
Split into simpler sentences: Six DVD compilation volumes were released by Kadokawa Pictures between March 26 and August 28,2010. A guidebook to the series called was released on May 20,2010 by Kadokawa Shoten.