Here are the links to today's lesson on fasting:

http://www.lds.org/general-conference/1986/04/the-law-of-the-fast?lang=eng

http://www.lds.org/general-conference/2011/10/providing-in-the-lords-way?lang=eng

http://www.lds.org/general-conference/2001/04/the-law-of-the-fast?lang=eng