From Guild Wars 2 Wiki
- There is an account purchase limit of one item per day.
|Zinn's Prize Student||Basic Collections||3|
| Collect all 13 books to compile Zinn's Study Guide.
||Collected 1 book||1|
|Collected 6 books||1|
|Collected 13 books||1|
- There was a second, but empty, vendor tab. This was later removed.