Sixty Years of Slingshot is available either as a digital download or on a USB stick. Click on Preview, and then you can select the option that you wish to purchase. The download is a new option – please contact us if you have problems with it. If you are a current member of the society, you can use your discount code to get a 20% discount.

The Upgrade is also available either on USB or as a digital download (again, let us know if you have problems).

The index is only available as a digital download.

In all cases, for the digital download, you should get an email with a download link after you have purchased it.