Word on the street is that Elvis Costello has a memoir due in October. For those who can’t wait, there’s Richard Crouse’s Elvis Is King: Costello’s My Aim Is True, a meticulously researched account of Costello’s early years and the release of his first LP with independent label Stiff Records. Of particular interest with respect to this volume is Crouse’s attention to the milieu out of which both My Aim Is True and Costello himself emerged. Indeed, the sense one gets is that Costello’s identity congealed around the production and marketing of his first album in ways that few other acts ever did. “Elvis Costello,” the stage name adopted fairly late in the proceedings by singer-songwriter Declan McManus, emerges as somewhat of a construct, an amalgam of various mythical figures of rock’s colorful history — Elvis Presley and Buddy Holly in particular. Crouse also does an excellent job of contextualizing the album in question. Not punk by any stretch of the imagination (Costello’s backing group for this project was an American country-rock band called Clover), My Aim Is True nonetheless appealed to the raw DIY aesthetic as well as the iconoclastic attitudes of the indie and punk movements of its time. Though relatively brief (and appropriately so, given its narrow focus), Elvis Is King presents a tight, thorough portrait of the musician as a young man that will appeal not only to die-hard Costello fans but rock historians in general.