The Entrepreneur's Guide to Sewn Product Manufacturing A must if you think you'd like to be a Fashion Designer.
Patternmaking Made Easy (2nd Edition) An excellent book to get you started and develop your skills.
A Guide to Fashion Sewing Dive into sewing. Check out Connie's DVD's too.
Madeleine Vionnet Beautiful book. Great pictures, inspiring and fun. I bought mine over 10 yrs ago, still love to look at it.
Sew U: The Built by Wendy Guide to Making Your Own Wardrobe Wendy encourages creativity and gives you tools to make it happen.