ROUSSEAU (Jean-Jacques). Émile ou de l'éducation. Amsterdam [Paris], Jean Neaulmé [Duchesne], 1762. 4 volumes in-12, first edition, illustrated with 5 hors-texte compositions after Charles Eisen, engraved by Longueil, Pasquier and Le Grand. Bound in contemporary half-leather with corners, spine with 5 raised bands, brown title page, green endpaper. First edition of one of Rousseau's most important works, printed by Duchesne under the address of Jean Neaulmé. It appeared in two formats, the in-12 edition having been printed first but distributed second, according to Jo-Ann McEachern. Our copy includes the pagination errors noted by McEachern, namely: Volume I, page 162 numbered 126, page 274 numbered correctly in this copy, Volume II, page 123 numbered 132 and page 126 numbered 162, Volume III, page 364 numbered 264, Volume IV, page 77 numbered 77-. Copy enriched with a portrait of Rousseau engraved by De Lignon pasted opposite the title. (Worn binding, upper jaw of the first volume split, rubbing and cracking with small leather chips, accidents and leather chips on the headpieces, a few freckles, traces and pen marks on the title page of volume III, some pencilling at the beginning of the first volume, handwritten inscriptions on the first flyleaf of the first and third volumes, bookplate scratched on the fourth volume). Expert : M. Nicolas ASVISIO