In the book Glass it has 688 pages!
Sea Glass has 384 pages.
The Glass Key has 214 pages.
The Glass Room has 406 pages.
The Looking-Glass has 319 pages.
Flaws in the Glass has 260 pages.
Sea of Glass has 375 pages.
Walking on Glass has 239 pages.
Tower of Glass has 247 pages.
A Glass of Blessings has 255 pages.
Enchanted Glass has 292 pages.
The Glass Lake has 608 pages.
The Glass Bees has 209 pages.