Bücher

Personality Isn't Permanent Personality Isn't Permanent
2020
Willpower Doesn't Work Willpower Doesn't Work
2018
Frag nicht wie – frag wer! Frag nicht wie – frag wer!
2021
Willpower Doesn't Work Willpower Doesn't Work
2018
Das GAP-and-GAIN-Konzept Das GAP-and-GAIN-Konzept
2022
L'art d'atteindre ses objectifs - Ce que font les leaders pour triompher des obstacles L'art d'atteindre ses objectifs - Ce que font les leaders pour triompher des obstacles
2023

Hörbücher

Personality Isn't Permanent: Break Free from Self-Limiting Beliefs and Rewrite Your Story (Unabridged) Personality Isn't Permanent: Break Free from Self-Limiting Beliefs and Rewrite Your Story (Unabridged)
2020
Willpower Doesn't Work Willpower Doesn't Work
2018
Das GAP-and-GAIN-Konzept Das GAP-and-GAIN-Konzept
2023
Willpower Doesn't Work Willpower Doesn't Work
2018