“Le Diamant Vert” (“The Green Diamond”) is an exquisitely crafted adventure novel by the French writer Henri Demare, published in Paris in the second half of the 19th century in the French language. It is a captivating story filled with mysteries, unexpected twists, and the romance of distant lands. Illustrations by the renowned French artist A. Grobe subtly complement the plot, capturing the spirit of the era. The book stands out with its magnificent embossed binding and decorations, typical of luxurious editions of its time. Today, the book holds significant historical, cultural, and bibliophilic value and is part of the rare book collection in our library.