'Beautiful, like a muddy journey through time . . . a really important book' RAYNOR WINN, author of The Salt Path Lisa Woollett has spent her life combing beaches and mudlarking, collecting curious fragments of the past: from Roman tiles and Tudor thimbles, to Victorian buttons and plastic soldiers. In a series of walks from the Thames, out to the Kentish estuary and eventually to Cornwall, she traces the history of our rubbish and, through it, reveals the surprising story of our chang