It seems you’re referring to the book El Millonario al Lado (The Millionaire Next Door) by Thomas J. Stanley and William D. Danko, combined with a reference to “LIBRO E” (possibly “Libro electrónico” / eBook) and “MANTESH” (likely a misspelling of , Mantésh , or a brand/author name). There’s no widely known author “Mantesh” associated with that title.
Les Porteurs de bidons de l'actualité cycliste,
Le Gruppetto
PCM France, la communauté française de Pro Cycling Manager
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