Sri Aditya Hrudayam is one of the many slokas sung in praise of Sri Surya. This one is available in Srimad Ramayana in 107 chapter. It has the speciality of being a sloka and a mantra. It was given as a upadesha to Sri Rama by Sage Agastaya just before the commencement of Rama Ravana Yudha. Sri Rama by chanting the sloka was able to win over Ravana. Worshipping Sri Surya with this stotram, one would be able to gain valour, courage, strength (both mental and physical). This book also has among many rare slokas like surya namaskaram, ekasloka navagraha stotram, sakshopanishad etc. Comes in an handy size with bold print in Tamil fonts.