The Speed of Dark

Lou Arrendale is autistic, works in a bioinformatics division where a whole unit of autistic employees is employed for pattern recognition nobody else can do, and has a life he has built carefully: a gym, a fencing group, a car, a routine, a colleague he is quietly in love with.

He also belongs to the last generation for whom this is permanent. Prenatal intervention has eliminated new cases, which means Lou's cohort is a shrinking population with legally mandated accommodations, and a new manager has worked out that if they could be normalised the company would save the cost of the quiet room, the private office and the gym.

So they are offered an experimental treatment, and the offer is not quite voluntary. Lou has to decide whether to accept a procedure that will leave someone else in his body, and the novel takes the question completely seriously in both directions: the accommodations are real, the discrimination is real, and so is the possibility that he would simply prefer to remain himself.

The whole thing is narrated by Lou, and the prose is the achievement: precise, literal, alert to patterns of light and sound, and never once played for pathos or for a savant trick.

Around three hundred and forty pages, slow and interior, with a plot that turns on a stalker and a workplace rather than on anything larger, and a fencing club that gives Lou the one setting where his pattern reading is an advantage rather than a diagnosis.

Best for readers who want a novel about neurodivergence written from inside rather than about, and one that respects its narrator enough to let him choose.