Revolusi cara belajar (the learning revolution) : belajar akan efektif kalau Anda dalam keadaan fun
Psikologi umum
Nicomachean ethics : sebuah kitab suci etika
Persoalan-persoalan seputar filsafat the problems of philosophy
Weaponized lies : how to think critically in the post-truth era
The 5 elements of effective thinking
Ethics for the real world :creating a personal code to guide decisions in work and life
American business values :a global perspective
Being fair and honest