The library is located in the Palace of the Emir of Kano, Muhammadu Sanusi II. See another photo below
Emir Muhammadu Sanusi II (CON) is the 14th Emir of Kano who was crowned on 8 June 2014 after the death of his grand uncle Ado Bayero (who died on 6 June 2014). Emir Sanusi was a successful banker and former Governor of the Central Bank of Nigeria.