The Sentimental Agents in the Volyen Empire has 178 pages.
The Songs of a Sentimental Bloke has 113 pages.
Night's Black Agents has 237 pages.
Dark Empire I has 152 pages.
Empire Star has 102 pages.
Naked Empire has 608 pages.
The Scarlet Empire has 400 pages.
Queen of the Empire has 94 pages.
Tales from the Empire has 324 pages.
Empire of Silver has 448 pages.
Relic of Empire has 626 pages.
Empire of the Atom has 192 pages.
Deep Empire has 349 pages.