You can select sessions for multiple workshops - after you've added some sessions, come back to the top of the page and select a different workshop.

Workshop: 

Available Sessions
Multi-day sessions will be added as groups.

Please select a workshop above to see available sessions.
Selected Sessions
Sessions you choose will appear here.

Discounts will be applied when booking is processed.

WAIT!  Before you go on, do you have more workshops to book?
Select a different workshop at the top of the page, then add more sessions to this list.