I think most iOS books published in the past year are in Swift.<p><a href="http:&#x2F;&#x2F;www.h4labs.com&#x2F;dev&#x2F;ios&#x2F;books" rel="nofollow">http:&#x2F;&#x2F;www.h4labs.com&#x2F;dev&#x2F;ios&#x2F;books</a>