What are the prerequisites to handling these books? Would they be good for someone who never took Bio in college or even AP Bio in high school? Or would some remedial work be needed first?
They are self-contained. [1] discusses very little biology, it is mostly about biological sequences as formal languages. [2] is meant as an introduction to biology. [3] is self-contained, but to appreciate its content probably it would help to skim through Molecular Biology of the Gene by Watson et al.