"Twin A and Twin B. That's what Michael and Sal's neuroscientist father irreverently calls them. The boys are born moments apart, but baby Sal's brain scan shows a bleed. He has severe cerebral palsy and intellectual disabilities. Told through multiple perspectives--Gabe, the boys' father; Hannah, their mother; and Michael--this debut novel follows the Mitchell family from the boys' infancy to the cusp of adulthood as they all try to interpret what Sal, who speaks only eight words, is thinking and feeling. ... Before Michael leaves for college, the twins spend a final week together at a summer camp for people with disabilities, and Sal does something that changes their lives forever"--Page 4 of cover