The Bureau and the Mole: The Unmasking of Robert Philip Hanssen, the Most Dangerous Double Agent in FBI History

Doubt and Certainty: The Celebrated Academy : Debates on Science, Mysticism, Reality, in General on the Knowable and Unknowable, With Particular Forays into Such Esoteric (Helix Books)

Mysterious Twin (Double Exposure) (Intrigue, 623)

Twins and Doubles

DOUBLE DARE O'TOOLE

Double, Double (Star Trek, No 45)

DOUBLE OR NOTHING (Zeke Masters Western)

DOUBLE DATE (FEAR STREET ) : DOUBLE DATE

Ben Jerry's Double Dip : Lead With Your Values and Make Money, Too

The Doubleman