The lovely sex advisors of Nerve.com are back Amassing knowledge from years of counseling the sexually curious and courageous, Em and Lo now offer this essential guide to playing the field. With over 350 hilarious alphabetically listed entries and saucy illustrations, Em & Lo's Rec Sex covers all the bases of free love B is for booty call, E is for equal opportunity objectification, F is for friends with benefits, S is for STDs, Z is for... (well,...