
https://www.amazon.co.uk/All-Math-You-Missed-Graduate/dp/100...
There's of course Roger Penrose's "The road to reality" which has a completely different emphasis (more focused on fundamental physics and therefore introduces a lot of the math used there) but is also very interesting to read. This however, is a real time -- will take some effort to go through, but probably worth it :-)
http://www.amazon.com/All-Mathematics-You-Missed-Graduate/dp...
Did you read the book in isolation or was it a part of a class / MOOC ?