Rival soldiers face off in the final battle of the First English Civil War in this historical adventure.   It is more than a year since printer's apprentice turned Parliamentarian soldier William Sparrow and his royalist rival Hugo Telling last came to blows. Parliament's armies, bruised beaten and humiliated despite their ever increasing numerical advantage, have been reconstituted as the New Model Army. Sparrow, veteran of a dozen battles, sieges and scrapes, is expecting to be offered a commission in "Black Tom's Red Army"—but his past has caught up with him.   As the political and religious divides which have convulsed the country for three years grow more bitter by the day, the New Model Army heads north to challenge the King's field army, commanded by the brilliant but dangerously compulsive Prince Rupert. Two worlds will collide at Naseby, where history will be made . . .   Black Tom's Red Army is the final thrilling installment of The Shadow on the Crown series.   Praise for the writing of Nicholas Carter:   "Ringing to the clash of blades and the roar of cannon and pungent with the whiff of gunpowder . . . A storming read." — Peterborough Telegraph "Carter's stories are in a league of their own." — Bristol Observer