An essential survival kit to get through the twenty-first century

The presentation of each volume meets the same principles: color codes for each theme (usual spelling, grammatical spelling, vocabulary, spelling tolerances, vocabulary, conjugation tables, grammar verb, alphabetical lists of verbs, words and groups words, phrases, uses and texts ...); a reference numbering for each rule and numerous examples supplemented by lists. Practical and precise, uniquely designed box is an indispensable reference tool.

Mastering a language and its rules is not a form of elitism, but rather a sign of self-respect, a way to advance the understanding of a country and its civilization. "Everything that student unit", as claimed by Charles Peguy.