These two vintage romantic suspense novels by Victoria Holt are a great addition to your book collection. To use them, simply open the book and start reading to get lost in the exciting stories. When handling, be gentle to avoid further wear on the covers and spines. To maintain them, store the books in a dry and cool place away from direct sunlight. This will help prevent the text blocks from darkening further and keep the covers in good shape. Enjoy your reading!