Empire of the Atom has 192 pages.
The Atom Station has 180 pages.
Children of the Atom has 216 pages.
Relic of Empire has 626 pages.
Evening's Empire has 352 pages.
Empire of Ivory has 384 pages.
Dark Empire I has 152 pages.
The Risen Empire has 304 pages.
Deep Empire has 349 pages.
Daughter of the Empire has 394 pages.
The Scarlet Empire has 400 pages.
Naked Empire has 608 pages.
Empire Star has 102 pages.