Agent Arthur's Desert Challenge has 48 pages.
Dark Challenge has 368 pages.
Ratha's Challenge has 256 pages.
The Boozer Challenge has 288 pages.
Desert Solitaire has 269 pages.
The Desert Spear has 608 pages.
The Presidential Agent has 655 pages.
Agent of Vega has 191 pages.
Polity Agent has 496 pages.
The Chinese Agent has 185 pages.
Agent of Byzantium has 244 pages.
Agent to the Stars has 286 pages.
Mystery of the Desert Giant has 192 pages.