You can find the full portfolio by Prof. Dr. Hermann Simon on his current book list (PDF).
Hermann Simon
(Campus Verlag 2020, 978-3593512303)
Hermann Simon
(Springer 2021, 9783030607579)
Hermann Simon
(Campus Verlag 2012, 978-3593397146)
Hermann Simon
(Campus Verlag 2007, 978-3593383804)
Lena Bujak
(Handelsblatt, 16. August 2019)