Fun packaging and details bring new titles to life. Clues in the form of newspapers, letters and guidebooks literally unfold in Operation Itchy by Jeanne Willis, illus. by Penny Dann. ""The name's Barker-Secret Agent Barker,"" begins the canine hero of this caper. When two-inch megafleas attack the city, Barker must track down Mad Manx, a tailless cat bent on revenge. Engaging acrylics introduce an array of interactivities (including a pull-out strip of Polaroids) and a surprise twist ending. .