Hello Social Avenue co-founder David Coslett celebrates the launch of his debut book, Built To Be Seen, which has already reached #17 in an Amazon bestselling books chart alongside some of the world's leading business authors. CHESTERFIELD, DERBYSHIRE — 9 November 2026 Chesterfield entrepreneur, marketing strategist and Hello Social Avenue co-founder David Coslett has officially launched his debut business book, Built To Be Seen, marking another milestone in his entrepreneuri
