Amazon.com description: Product Description: The Video Resources on DVD include all assets from the Lial Video Library. All videos offer optional English and Spanish subtitles. *Section Lecture Videos offer a new navigation menu that allows students to easily jump to the key examples and exercises they want to view. *Solutions Clips show an instructor working through the complete solutions to selected exercises from the text. Exercises with a solution clip are marked in the text and e-book with a play button icon. *Quick Review Lectures provide a short summary lecture of each key concept from the Quick Reviews at the end of each chapter in the text. *Chapter Test Prep Videos show step-by-step solutions to all exercises from the Chapter Tests. These videos provide guidance and support when students need it the most: the night before an exam. The Chapter Test Prep Videos are also available on YouTube (searchable using author name and book title), or by scanning the QR code on the inside back cover of the book for easy access.