Children of the Atom has 216 pages.
Empire of the Atom has 192 pages.
The Atom Station has 180 pages.
The Lion Children has 216 pages.
Children of Scarabaeus has 336 pages.
Children's Songbook has 314 pages.
Armageddon's Children has 384 pages.
Children of Tomorrow has 254 pages.
Children of Orpheus has 540 pages.
Children of the Storm has 400 pages.
Children of the Mind has 349 pages.
How Children Learn has 189 pages.
The Children of Húrin has 320 pages.