Once your Slicehost account has been created, there are plenty of options available to you in managing the account.
You can add separate email address for login, backup, invoices. Add more users to the account, enable API access, view old invoices and much more.
Any changes to the account management process will be shown in the latest ebook version:
Please see below for a changelog between versions.
v1.1 - July 2008
Added Security Preferences panel and general update
v1.0.1 - April 2008
Fixed a broken link
v1.0 - April 2008
Initial ebook release