Barron's Painless Books take the sting out of even the toughest subjects. With puzzles, games, and challenging 'Brain Ticklers' the Painless titles inform while they make learning easy. Now Barron's takes Painless to the next level--FUN! The Painless Vocabulary eBook is easier to use than ever and now includes hundreds of hyperlinks that give you instant access to all sections of the book, links study words and their definitions, and connects all Brain Ticklers to their answers. Each PAINLESS book also contains a linkto an exclusive, free mobile app for iPhone/iTouch/iPad and Android. With three challenging quizzes and three arcade games, these apps will test your knowledge and then test your skill!