Pelican books take flight again

As the non-fiction Penguin imprint relaunches, Paul Laity tells the story of the blue‑spined books that inspired generations of self-improvers – and transformed the publishing world

My guilty pleasure: Eat Pray Love

Watching Juila Roberts take a year-long romp of global self-discovery, the thing most people miss is that the film is a pin-sharp mockery of Liz Gilbert's bestselling book, writes David Jenkins