Elisabeth first got hooked on computers when she wrote a BASIC program to fill up her Commodore 64's monitor screen full of hearts. She's loved getting computers to do fun things ever since. She's tinkered with everything from super computers to her iPhone, and she's been programming the Web since the early days, when she built one of the first online resources for women in technology. Along with her many years of programming experience, Elisabeth has produced online training, and written three best-selling books and an online video course for O'Reilly Media (Head First Design Patterns, Head First HTML with CSS & XHTML, Head First HTML5 Programming, and Learn to Build iPhone Apps with HTML, CSS, and JavaScript), and is currently co-founder and principal at WickedlySmart, an education content and technology company.