I just saw on TOP today that a new edition of "Understanding Exposure" by Bryan Peterson is out.  This is a great guide and reference on how to expose for difficult situations.  (I read the first edition that was film centric, and it was great.)


http://www.amazon.com/gp/product/0817439390/ref=s9_simh_gw_p14_i1?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-2&pf_rd_r=1PF2D7GSEA25PDZ0X11X&pf_rd_t=101&pf_rd_p=470938631&pf_rd_i=507846