"Historia de Gil Blas de Santillana: Novela (Vol 3 de 3)" by Alain René Le Sage is a picaresque novel published between 1715 and 1735. Born into poverty, Gil Blas sets out for university but is diverted into a life of adventure. As a valet, he encounters rogues, clergy, and nobility across all levels of society. Through adaptability and wit, he navigates moral complexities and social hierarchies, ultimately rising to serve at the royal court before retiring to enjoy his fortune.