From the yc reading list 2015 [<a href="http:&#x2F;&#x2F;themacro.com&#x2F;articles&#x2F;2015&#x2F;12&#x2F;yc-2015-reading-list&#x2F;" rel="nofollow">http:&#x2F;&#x2F;themacro.com&#x2F;articles&#x2F;2015&#x2F;12&#x2F;yc-2015-reading-list&#x2F;</a>], they recommend [for Neural Networks] this book: <a href="http:&#x2F;&#x2F;neuralnetworksanddeeplearning.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;neuralnetworksanddeeplearning.com&#x2F;</a><p>It&#x27;s more about understanding than &quot;learning tools.&quot;