Simplify the following text for a Grade 9 native English-speaking person.
Original: He published in 1867 the Chemin des bois , a volume of poems , many of which had already appeared in the Revue des Deux Mondes ; Le bleu et le noir , poÃ mes de la vie rÃ elle ( 1874 ) , Nos oiseaux ( 1886 ) , and other volumes followed .
Simplified: The was the Chemin des bois , a collection of poems , many of which had already appeared in the Revue des Deux Mondes .