Today this volume sells for 50 to 80 pounds:
CHAPONE, Mrs. (Hester Chapone, 1727-1760)
LETTERS ON THE IMPROVEMENT OF THE MIND, addressed to a young lady
Printed for J. Brambles, A. Meggitt, and J. Waters, by H. Mozley, Gainsborough, London, 1807
This volume sells for 12 to 18 pounds!
A.L.O.E. [A Lady of England]
The Story of a Needle
T. Nelson and Sons, 1866, 1870.
Again, thank you and please let me know if I may be of further help with this question.