Try Contemporary Political Philosophy: An Anthology, edited by Robert E. Goodin and Philip Pettit. Published in the Blackwell Philosophy Anthologies Series.
This is a 600+ page collection of essays by very distinguished authors, some 38 essays in all covering State and Society,Democracy, Justice, Rights, Liberty, Equality etc.
I hope that this might be the kind of thing you’re looking for.
Best wishes,
Gerard Casey
