Mr. and Mrs. Patrick Blackburn of Bel Aire, Kan., and Mr. and Mrs. Steve Perea of Ozark, Ark., formerly of McCook, announce the engagement of their children, Megan Nicole Blackburn and Andrew James Perea. Grandparents of the couple are Erma Cornett of Scandia, Kan., and the late Glen Cornett, Mr. and Mrs. Anton Kriks, the late Rev. Harry Blackburn, Mr. and Mrs. Dale Bamesberger of Indianola and Margaret Perea of Cheyenne, Wyo., and the late Mike Perea. The bride-to-be is a 1999 graduate of Colorado Springs Christian High School and a 2003 graduate of John Brown University with a bachelor of science degree in middle school math and science education. The prospective bridegroom is a 1999 graduate of Ozark High School and is also a graduate of John Brown University with a bachelors degree in mathematics. The couple is planning a June 7, 2003, ceremony at the First Evangelical Free Church in Wichita, Kan.