The Billion Dollar Ransom has 189 pages.
The Billion-Dollar Molecule has 464 pages.
Billion-Dollar Brain has 412 pages.
Eine Billion Dollar has 887 pages.
Erak's Ransom has 441 pages.
Dead Man's Ransom has 288 pages.
16 billion pages
Hundred-Dollar Baby has 320 pages.
The Million Dollar Putt has 169 pages.
The Million Dollar Goal has 167 pages.
"The Nine Billion Names of God" collection has 288 pages.
8 Billion
"Erak's Ransom" by John Flanagan is the seventh book in the Rangers Apprentice series and typically contains around 300-350 pages, depending on the edition.