Canny, infuriating, cynical, and generous by turns, Felix Dennis was a true one-off. When he died in 2014 he was a multi-millionaire. Yet he spent his last months writing poetry and planting the millionth tree in his own forest in Warwickshire. Journalist, Fergus Byrne got to know him well in this time and was granted exclusive access to Dennis's archives and papers. He found everything had been kept and, along with hours of interviews with girlfriends,...