Jeremy Lewis's fine life of Allen Lane, Penguin Special, is an elegy for the publisher who educated millions with his pioneering paperbacks, says Peter Conrad.
Nicholas Lezard is enthralled by a discriminating mind, a posh social life and an irrepressible sense of humour in Henry Hardy's collection of Isaiah Berlin's letters, Flourishing.
The government stands accused of serial mendacity in Peter Oborne's vigorous critique, The Rise of Political Lying. But what about the fourth estate, asks John Kampfner.