Happy Hour Book Two "A Dave Mistake" is the second volume of the wildly popular comic strip Happy Hour. This volume contains strips 251 thru 500 which are only available in this book and no where else. With this collection of strips you get to attend The Brewery Ball, visit Hooks Hospital, Hang with Mel Gibson, and rebuild the bar after a giant robot Phil destroys half the town. Don't make "A Dave Mistake" and buy this book today!