The Seven Wonders of Sassafras Springs, by Betty Birney, is 210 pages long.
"Seven Ancient Wonders" by Matthew Reilly has approximately 516 pages in the paperback edition.
The Wonders of Nature has 600 pages.
Wintle's Wonders has 256 pages.
Wonders of a Godless World has 260 pages.
Tom Swift in the Land of Wonders has 200 pages.
30
The Amazon Temple Quest is by Katherine Roberts. The Kindle version has 291 pages. The paperback also has 291 pages. It is part of the The Seven Fabulous Wonders Series.
How many years once seven wonders of the world is nominated and declared?
Seven.
The hardcover version has 288 and the paperback has 304.
Seven Out of Time has 240 pages.
The Seven Who Were Hanged has 94 pages.