Two books that depict a rich 50-year history of AHRI and a tribute celebrating the 20-year contribution of Dr. Abraham Aseffa to AHRI, Ethiopia, and Africa with regards to research were officially inaugurated on the 1st of July, 2021 at Magnolia Hotel in the presence of H.E Dr. Lia Tadesse (Minister of Health), H.E Dr. Dereje Duguma (State Minister of Health), H.E Prof. Afework Kassu (State Minister of Science and Higher Education), AHRI Directors, general AHRI staff /students/ and the media.