The textbook "Thin films of Ferro-magnetic and Ferro-electric Materials" offers a comprehensive examination of the production and characterization of thin films of ferromagnetic and ferroelectric materials. It highlights the application of these materials in various electronic devices, particularly in the development of new storage media with enhanced storage capacity. Ferroelectric materials are known for their ability to convert mechanical energy into electrical energy, making them suitable for transducer applications. Furthermore, the high dielectric permittivity of these materials is emphasized, which makes them ideal for use in capacitors. The book also addresses the challenges and advancements in research on storage and display devices aimed at reducing the size of the devices while simultaneously improving their performance.