I've recently been asked to come up with some ideas for workshops or activities that can be used with both internal and external clients to capture ideas and requirements and allow the project stakeholders to provide their input into the project planning at an early stage.
I've not got a huge amount of experience running workshops and had a look around the UX Exchange but couldn't find any information on this so if anyone has any suggestions or links to relevant websites or even some recommended books or reading material it'd really be appreciated!