Instruct: Classify an Amazon review as either positive or negative.
Query: Nineteen CDs Recorded in the Voice of the Author

The unedited Wizard of Ads trilogy on audio CD, featuring the Wizard, himself, reading his own books, professionally produced and lavishly packaged.You're buying all 3 for one price. Wow.The Wizard of Ads -voted 1998 Business Book of the Year - on 6 CDs - 5hours, 7 minutes.Secret Formulas of the Wizard of Ads -The Wall Street Journal #1 Business Book in America and a NY Times business bestseller - on 6 CDs - 4 hours, 45 minutes.Magical Worlds of the Wizard of Ads -Another Wall Street Journal bestseller, the stunning conclusion of the Wizard trilogy - on 7 CDs - 6 hours, 9 minutes.Sixteen Hours of amazing stuff.How can you go wrong?