Brisbane, Calif.,-based Aircraft Technical Publishers has enhanced its Maintenance Libraries on CD-ROM, and now offers an intuitive, easy-to-use tool. Improvements include sharper graphics, advanced printing capabilities, enhanced navigational features, and word search.ATP's enhanced PDF format is available for all King Air 200 series aircraft, the Learjet 35 and 36, the Mitsubishi MU2-60, Honeywell TFE731-2/-3 engines, and Mooneys.