Vivekachudamani
From The SpiritWiki
The Vivekachudamani (Crest-Jewel of Wisdom) is a famous 8th century poem ascribed to Adi Shankara. It is a 580 verse poem in the Advaita Vedanta tradition.
English Translations
By Vivekachudamani Swami Madhavananda
Grimes, John. The Vivekacudamani of Sankaracarya Bhagavatpada. http://books.google.ca/books?id=jCEX083AJA4C&lpg=PP1&dq=John+Grimes+The+Vivekachudamani+of+Sankaracarya+Bhagavatpada&pg=PP1&redir_esc=y#v=onepage&q&f=false