Bücher
Fließend in drei Monaten
2015
LANGUAGE HACKING GERMAN (Learn How to Speak German - Right Away)
2016
Fluent in 3 Months
2014
LANGUAGE HACKING MANDARIN (Learn How to Speak Mandarin - Right Away)
2022
LANGUAGE HACKING FRENCH (Learn How to Speak French - Right Away) (Enhanced Edition)
2016
LANGUAGE HACKING SPANISH (Learn How to Speak Spanish - Right Away)
2016