A friend of Juliet, Sophie, and Sidney. He disappeared in Burma in 1943 and a month before the novel begins, he mysteriously reappears in Australia. The news is that he's turned to alcohol to deal with the trauma of the war, and Sidney flies to Australia to help care for him. Though the novel never says it outright, it's implied that Piers is gay and is possibly involved with Sidney.
Piers Langley Character Timeline in The Guernsey Literary and Potato Peel Pie Society
The timeline below shows where the character Piers Langley appears in The Guernsey Literary and Potato Peel Pie Society. The colored dots and icons indicate which themes are associated with that appearance.
Part One, 21st-26th February, 1946
Part One, 28th February, 1946
Part One, 3rd March, 1946
Part One, 20th-23rd March, 1946
Part One, 31st March, 1946
Part One, 12th April, 1946