Great Divergence and Great Convergence Leonid Grinin, Andrey Korotayev E-Book (pdf)

Economic Cycles, Crises, and the Global Periphery Leonid Grinin, Andrey Korotayev, Arno Tausch E-Book (pdf)

Islamism, Arab Spring, and the Future of Democracy Leonid Grinin, Andrey Korotayev, Arno Tausch E-Book (pdf)