Fluent Forever Book

Harmony/Rodale/Convergent

Fluent Forever (Revised Edition): How to Learn Any Language Fast and Never Forget It

Pearson Education Limited

I don't want to live forever! Info Trail Fluent (LITERACY LAND)

Independently published

How to Learn a Foreign Language & Become Fluent in 3 Months: 2000 Steps to Success with a Complete 90-Day Weekly Plan, Proven Tips and Word Lists (Includes Spanish Course Example & Workbook)

Independently published

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

Independently published

320 speaking questions to become fluent in French, bilingual edition English/French, for all levels: with instructions and space for your notes

Fluent English Publishing

English Irregular Verbs Complete: Learn in Days, Keep Forever

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

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

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

Independently published

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