Set of 24 School District Library Books from 1839!

I am finally selling my set of 24 School District Library books!  These books were published by Harper & Brothers in 1839!  This set includes numbers 2, 6-9, 12-15, 19, 20, 23, 24, 30-38, 41 & 41.  Each book measures 4” x 6”, contains around 400 pages, and is in fair-good condition for its age.  Most are illustrated with gorgeous etchings.  Some have pull out charts and maps. Titles include: 2: A Life of Washington 6: History of Insects Vol. 1 7: History of Insects Vol. 2 8: The Son of A Genius by Mrs. Hofland 9: Tales from American History 12: Memoirs of Celebrated Female Sovereigns 13: Tales of the Revolution 14: The History of Napoleon Buonaparte 15: The Principles of Physiology 19: The American Forest 20: Mudle’s Popular Guide to the Study of Nature 23: Montgomery’s Lectures on General Literature 24: Ancient and Modern Egypt 30: History of China Vol. 2 31: Circumnavigation of the Globe 32: Life and Actions of Alexander the Great 33: Euler’s Letters on Philosophy Vol. 1 34: Euler’s Letters on Philosophy Vol. 2 35: Peter the Great 36: Life of Oliver Cromwell Vol. 1 37: Life of Oliver Cromwell Vol. 2 38: On the Improvement of Society 40: On Moral Feelings 41: Memoirs of Celebrated Female Sovereigns