Agent Arthur's Desert Challenge has 48 pages.
Dark Challenge has 368 pages.
The Boozer Challenge has 288 pages.
Ratha's Challenge has 256 pages.
The Desert Spear has 608 pages.
Desert Solitaire has 269 pages.
The Presidential Agent has 655 pages.
Agent of Vega has 191 pages.
Agent to the Stars has 286 pages.
Polity Agent has 496 pages.
The Chinese Agent has 185 pages.
Agent of Byzantium has 244 pages.
Welcome to the Desert of the Real has 154 pages.