The Wyndham Collection John Wyndham, three vols. (Day of the Triffids, The Midwich Cuckoos, The Chrysalids), Folio Society, 2022, 704 pps, £125 ALEXANDER ADAMS finds 1950s classics have troublingly modern messages The publication of a clothbound boxset containing the classic novels Day of the Triffids, The Midwich Cuckoos and The Chrysalids by John Wyndham (1903-1969)…