Practical Education is an educational treatise written by Honora Sneyd, her step-daughter Maria Edgeworth and her husband Richard Lovell Edgeworth. Sneyd died before she could complete it. Published in 1798, it is a comprehensive theory of education that combines the ideas of philosophers John Locke and Jean-Jacques Rousseau as well as of educational writers such as Thomas Day, William Godwin, Joseph Priestley, and Catharine Macaulay. The Edgeworths' theory of education was based on the premise that a child's early experiences are formative and that the associations they form early in life are long-lasting. They also encourage hands-on learning and include suggestions of "experiments" that children can perform and learn fun. Following Locke's emphasis on the importance of concrete language