Daniela will help me make sense of whatever's happening.I picked this up early last year when it seemed to have some buzz behind it, but have only now got round to reading it. It's a rather impressively done multiple time-line story. Our protagonist gave up a potentially brilliant academic career for the sake of his relationship with his partner; fifteen years on, his alter ego from a different fork comes to displace him. The parallel universe science is a bit wobbly, and the writing a bit staccato in places, but the central question is well put, of to what extent each of us is the sum of our own experiences. There is a thrilling denouement where the narrator turns out to be literally his own worst enemy, many times over; I felt it was generally well executed. You can get it here.
This was the top unread book that I acquired last year. Next on that list is High-Rise, by J.G. Ballard.