Amusingly, you&#x27;re probably thinking of this book. It&#x27;s been linked to many times here,  probably at this URL:
<a href="http:&#x2F;&#x2F;www.iro.umontreal.ca&#x2F;~bengioy&#x2F;dlbook&#x2F;version-07-08-2015&#x2F;dlbook.html" rel="nofollow">http:&#x2F;&#x2F;www.iro.umontreal.ca&#x2F;~bengioy&#x2F;dlbook&#x2F;version-07-08-20...</a>