Arthur's Secrets: Holyrood Park, Holyrood

Take a walk up Edinburgh's own volcanic plug and discover its past, present and wildlife in this guided and moderately graded walk for ages 8 and over.

Bring suitably stout footwear, and don't count on the Edinburgh weather being predictable.

Work In Progress: Summerhall, Edinburgh

A handful of comedians (including, on various nights, Daniel Sloss, Kai Humphries, Mark Nelson and Gareth Waugh) present the rambling, confused chaos that are their current shows.

Don't worry, they'll get better. That's what tonight's for.