British Library Spring Festival

A multi-arts festival kicking off with a craft and design market (Mar 1 9.30am-5.30pm; free) and including a 'Make it, Sell it!' session for crafts and jewellery makers to gain production and promotion advice (Mar 1 10am-1pm; free). In 'The Art of illustration' (Mar 2 6.30-8pm; £10, £7.50 concs), a panel of experts including Quentin Blake, Jamie Hewlett, Posy Simmonds and Martin Rowson select and discuss their choice of favourite illustrations. There's an after-hours session on Friday night with pop-up exhibition and live music from Mr Scruff (Mar 2 7-10.30pm; £7.50, £5 concs), plus a Vintage Knit-Work knitting session (Mar 3 2-4pm; £7.50, £5 concs) and an exploration of typography with speakers Neville Brody and Keith Martin (Mar 5 6.30-9.30pm; £7.50, £5 concs).