176 total pages in the book Jade Green by Phyllis Naylor
Grand Escape has It is by Phyllis Reynolds Naylor. It has 160 pages. It is the story of two cats, Marco and Polo.
According to Amazon.com, on this page: http://www.amazon.com/Boys-Start-War-Girl-Battle/dp/0440418410, this paperback version of the book has 144 pages. Other editions have other amounts... for instance, on the same site, the hardcover version is listed at 133 pages. Different paperbacks could have different sizes as well, and so then the number of pages could get bigger or smaller... the same would be true if they used different fonts or different font sizes.
Mosaic in Green has 160 pages.
A Curtain of Green has 324 pages.
Green for Danger has 199 pages.
The Green Brain has 160 pages.
The Green Ray has 128 pages.
Unnaturally Green has 287 pages.
Green Darkness has 480 pages.
Green Rider has 504 pages.
How Green Was My Valley has 651 pages.
The Green Years has 347 pages.