Black Aperture is an elegy writ large, a book mourning the suicide of the poet's brother. The collection is not born out of the rawness of fresh loss: "You have been dead / half of my life," Matt Rasmussen writes in "Burial." Instead, Rasmussen focuses on the strange complexities of building a life after tragedy. One of several poems entitled "After Suicide" opens, "A hole is nothing / but what remains around it." What is left around the vacancy of a brother's violent death? Burned letters, parties warped by absence, ghostly answering-machine voices to be erased.