thraxil

Abbott also came highly recommended and from reading the first couple chapters I can see why as it also seems to be very readable.

"Analysis I" (and II) by Terence Tao

Systemantics by John Gall

I also have a copy of Emily Riehl's Category Theory in Context.

Determined: Life Without Free Will by Robert Sapolsky.

Leonard Susskind's "The Theoretical Minimum" series is a great start.