You are bidding on 5 Garmin manuals. (1) GPS 400 Pilot's Guide and Reference Manual, (1) 400/500 Series Display Interfaces Pilot's Guide Addendum Manual, (2) 400/500 Series Garmin Optional Displays Pilot's Guide Addendum for several applications ( Please see pictures for applications). (1) GMX 200 Pilot's Guide and Reference Manual. Thanks for looking and good luck bidding, I hope you win.