In today's day and age, it is High Performance Scientific Computing, so might be a good idea to focus on that.
Strongly recommended [1] and the free pdf book referred in [1] can be downloaded from [2], the book name is `EijkhoutIntroToHPC.pdf` in the root folder of the BB repo.
[1] http://pages.tacc.utexas.edu/~eijkhout/istc/istc.html
[2] https://bitbucket.org/VictorEijkhout/hpc-book-and-course/src...