Hobbes' Leviathan is arguably one of the greatest works of political philosophy. Since its first publication Richard Tuck's edition of Leviathan has been recognized as the single most accurate and authoritative text, and for this revised edition Professor Tuck has provided a much amplified introduction.

Since their classic volume The Breakdown of Democratic Regimes was published in 1978, Juan J. Linz and Alfred Stepan have increasingly focused on the questions of how, in the modern world, nondemocratic regimes can be eroded and democratic regimes crafted. In Problems of Democratic Transition and Consolidation, they break new ground in numerous areas.

They reconceptualize the major types of modern nondemocratic regimes and point out for each type the available paths to democratic transition a...