A good read :<p>Riddled with Life: Friendly Worms, Ladybug Sex, and the Parasites That Make Us Who We Are
by Marlene Zuk<p><a href="http:&#x2F;&#x2F;www.goodreads.com&#x2F;book&#x2F;show&#x2F;832783.Riddled_with_Life" rel="nofollow">http:&#x2F;&#x2F;www.goodreads.com&#x2F;book&#x2F;show&#x2F;832783.Riddled_with_Life</a>