Mr. JUNE The Maverick: Call Shannon, secret agent turned cowboy. The Mission: To expose beautiful Haven Larson as an innocent pawn - or a dangerous spy. The Method: Uncover her secrets - and conceal his own. Call Shannon had left the world of subterfuge behind, but he'd never escaped his tormented conscience. Now, forced out of retirement to investigate Haven Larson, Call confronted haunting memories of betrayal - and murder. Haven was suspected of treason, but Call instinctively sought to protect the widow and her child. Besides, he owed them. The traitor he's killed had been his own best friend - and Haven Larson's husband. MAN OF THE MONTH: He knows what he wants and he knows how to get it.