A. From LT
1. page.nlayers, as a book is a page and each sheet is a layer.
2. wks.name$, but better use range, see below:
loop(i,1,page.nlayers) {
range ss=$(i)!;
ss.name$=;
}
B. from OC, idea is the same
WorksheetPage wp = Project.Pages();
foreach(Layer lay in wp.Layers)
{
Worksheet wks = lay;
printf("sheet name is %s\n", wks.GetName());
}