The document provides information about immersion courses offered by Shakti Body in 2011, including free intro sessions on February 12th and March 9th. The 10-week immersion courses run from April to June on Fridays, Saturdays, Sundays, and some Wednesdays and allow students to deeply immerse in yoga philosophy, anatomy, and meditation to transform both their practice and daily life. The courses cost $1795 before February 15th and $1995 after and are open to all experience levels.