| title | ISBN-13 (ISBN-10)  | year of publication | 
|---|---|---|
| Cracking the Leadership Code | 978-1-119-67554-9 (1-119-67554-5)  | 2020 | 
| Cracking the Leadership Code: Connection, Communication, Collaboration | 978-1-4408-6414-8 (1-4408-6414-4)  | 2018 | 
A. H. · Alan Hankinson · Alan Hansen · Alan Hanson · Alwin Hanschmidt