The Colle-Zukertort is a chess opening strategy for White recently revolutionized by David Rudel in his book, Zuke em. Say goodbye to positions you don't understand.
"Zuke 'em," a book by David Rudel on the Colle-Zukertort, gives dozens of new ideas in meeting various defenses to queen pawn openings, including the Benoni, Tarrasch, Slav, and Queen's Indian.