Birmingham NEC, 17-19 October, from pounds 3.50-pounds 7. Details: 0121-767 4433
Also this weekend, the Marine Conservation Society hosts a conference, featuring talks by leading marine and conservation experts. Topics covered range from awareness and legislation to coral reefs, deep-sea diving and blue sharks.
To be held at the University of Warwick, 17-19 October. Details: (01989) 566017. Accommodation and meals available at extra cost.
Focusing attention on to photography, is the John Kobal photographic portrait awards which start exhibiting from today. Alongside the poignant winning portraits are other finalists, who have captured the humour, desire and distaste of life. Details: National Portrait Gallery (0171 287 6839)
A varied programme of drama, music and visual community arts are performed in the seventh Borders Festival, which celebrates the rich heritage and traditions of the Scottish Borders. Events include a film festival, art exhibitions and performances by local and touring theatre groups, as well as traditional accordian and fiddle music.
Festivities commence today and run for three weeks. Details: Selkirk Tourist Information Centre (01750) 20054
Custody, Care and Cure is an exploration into the issues, past and present, surrounding mental health problems. The role of hospitalisation, photography, architecture, art and even royalty are all unfolded through a combination of exhibitions and lectures to be held at The Museum of London (0171-600 3699)
Opening hours: Tuesday-Saturday 10am to 5.50pm, Sunday midday to 5.50pm.