STAMFORD — The Ferguson Library’s Big Read, featuring the prize-winning memoir “Brother, I’m Dying” by Haitian-American author Edwidge Danitcat, kicks off with the author’s visit to the library on Sunday and a performance by vocalist Emeline Michel following a discussion of the book. The Big Read, funded by a grant from the National Endowment for the Arts, will continue through October with a series of programs at the library and elsewhere.