Fluent Forever

CROWN

Fluent Forever: How to Learn Any Language Fast and Never Forget It

Audible

Fluent in 3 Months: How Anyone at Any Age Can Learn to Speak Any Language from Anywhere in the World

320 speaking questions to become fluent in German, bilingual edition German/English, for all levels (English Edition)

Fluent For Real: Master Any Language Naturally And Never Lose it. The Essential Principles from a Self-Taught Polyglot Who Speaks 8 Languages (English Edition)

Robinson

How to Speak Any Language Fluently: Fun, stimulating and effective methods to help anyone learn languages faster (English Edition)

Italian Language for Beginners: An Easy Step by Step Guide to Improve Your Italian, Learning New Skills with Phrases and Lessons From a Basic Italian to Forever Fluent (English Edition)

Le Robert

Le Robert - Le Guide facile pour ne plus faire de fautes

Spanish Language for Beginners: An Easy Step by Step Guide to Improve Your Spanish, Learning New Skills with Phrases and Lessons From a Basic Spanish to Forever Fluent (English Edition)

The Polyglot Method: from A0 to C1: How I learned to speak 3 foreign languages fluently and none of them at school (English Edition)

Fluent English Publishing

Talk English: The Secret To Speak English Like A Native In 6 Months For Busy People (English Edition)