Summarizing the highlights of four monographs on the recruitment and retention of black Americans in engineering at Purdue University, the report details 1966-76 statistical trends. The overall results of the study indicate that the number and proportion of black students beginning engineering at Purdue and nationally has increased significantly in recent years, but is still relatively small. The best predictor of retention of black students in engineering is college grades. College board scores are relatively poor predictors of grades or retention. Freshman expectations of college, Purdue, and engineering were similar for black and non-black students but external factors including financial aid were apt to be more important for black students. Black students transferred and withdrew largely due to grades and interest. Purdue black B.S. engineering graduates surveyed in 1974 had and were continuing to pursue advanced graduate and professional degrees, and held positions of responsibility in both technical and managerial fields. They achieved higher than average salaries and generally were quite satisfied with their jobs, careers, and choice of engineering and Purdue. (Author/PHR)