***LONGLISTED FOR THE BOOKER PRIZE 2026***'Immersive, elegiac, and very real' BOOKER PRIZE 2026 JUDGES'Brilliant, exceptional... it broke my heart. A miracle of a novel' SAMANTHA HARVEY'Sublime... completely gripping... a wonder' MARK HADDON'Her best book yet. Completely extraordinary' DAISY JOHNSON Poignant but unsentimental, it is her best novel yet' JEM CALDER*A MOST ANTICIPATED BOOK 2026: BBC, Publishers Weekly, Lit Hub, Bookstr, Glossary, Paper Trails*A mesmerising portrait of an ageing man s last pilgrimage, from the bestselling author of The Girls and The GuestA private plane cuts through the winter night, somewhere over Greenland. David, a retired executive, sits back in his leather seat, playing solitaire on his phone. Click. Click. Drag. Click. In his pocket is a notebook filled with urgent reminders but he can no longer read his own handwriting.He s travelling with his assistant. There will be a stopover in London, dinner with his adult daughter, a meeting in France with an old friend. His final destination: a clinic in Zurich.As David glides through hotel rooms, airports and foreign cities, his grasp on the present slips away and the past rushes in.With David s arrival in Zurich looming, an exquisitely rendered portrait of an unravelling mind emerges. Hypnotic and moving, Switzy probes the depths of human consciousness, revealing what a man is left with when the accomplishments and compromises that have defined him, and the illusions he's relied on, vanish.