I really liked "The Computing Universe" by Tony Hey. It's a book which covers most of these topics on a higher level, but I felt it was (very roughly) an abstra

I really liked "The Computing Universe" by Tony Hey. It's a book which covers most of these topics on a higher level, but I felt it was (very roughly) an abstract of what I learned in the first CS semester. So I find it a very good introduction into the field for interested non-CS people.