The player mail post office it through the ebonwood door in the second floor of Rhyaesdid Hall.
If you DESCRIBE the stampbooks (ex. describe 1 (the order number), they will give you more details.
There are items in the backroom as well. You can use DESCRIBE on some of them.
~ Valyrka ~
Ta'Illistim
Elves
Dark Elves
Avawren ~ I have Survival and a knife. I can work it out.