por Harry Turtledove
Worldwar, de Harry Turtledove, reúne cuatro libros. La serie incluye In the Balance, Tilting the Balance y Upsetting the Balance.
In the Balance
1994
Tilting the Balance
1995
Upsetting the Balance
1996
Striking the Balance
45 libros
20 libros
7 libros
6 libros
5 libros