I have the perfect book - it's called Body Sculpting Bible for Women.
Amazon.com: The Body Sculpting Bible for Women, Revised Edition: The Way to Physical Perfection (Body Sculpting Bible): Books: James Villepigue,Hugo Rivera,Nicole Rollolazo,Robert Kennedy
Seriously - it is the BEST! It normally takes me forever to get my arms defined, but this book is doing it fast! It provides a great program for really switching everything up so you get great results.