The War in the Air has 389 pages.
Air - novel - has 400 pages.
Treading Air has 375 pages.
A Mouthful of Air has 352 pages.
The Court of the Air has 592 pages.
Actual air has 93 pages.
Warlord of the Air has 187 pages.
Air Apparent has 316 pages.
Goals in the Air has 157 pages.
The Never War has 352 pages.
Hitler's War has 926 pages.
The Uplift War has 506 pages.
War with the Newts has 240 pages.