Here are some further reading suggestions, covering a range of interpretations:
Alexander, R. S. (2001) Napoleon. London; New York: Arnold. Co-published in the USA by Oxford University Press.
Bell, D A (2015) Napoleon: A Concise Biography, Oxford University Press
Blaufarb, R. (2007) Napoleon: A Symbol for an Age: A Brief History with Documents, Bedford St Martin
Broers, M. (2014) Europe Under Napoleon, I. B. Tauris.
Dwyer, P. (2018) Napoleon 1815-40, Bloomsbury
Grab, A. (2003) Napoleon and the Transformation of Europe, Red Globe Press
Geyl, P. (1965) Napoleon, For and Against. Harmondsworth; New York: Penguin Books.
Ribbe, C. (2008) Napoleon’s Crimes: a blueprint for Hitler. Oxford: Oneworld
Roberts, A. (2014) Napoleon the Great. 2nd ed. Great Britain: Penguin Books.
Roberts, A. (2015) Napoleon: A Life, Penguin Books
Zamoyski, A (2018) Napoleon, Great Britain: Basic Books