Barfing in the Backseat: How I Survived My Family Road Trip (ISBN 978-0448443287) is the twelfth book in the Hank Zipzer

Hank Zipzer

Hank Zipzer: The World's Greatest Underachiever is a series of children's books by actor Henry Winkler and Lin Oliver, published by Grosset & Dunlap.-Overview:Hank Zipzer is a young boy growing up on the Upper West Side...

 children's book series by Lin Oliver and Henry Winkler

Henry Winkler

Henry Franklin Winkler, OBE is an American actor, director, producer, and author.Winkler is best known for his role as Fonzie on the 1970s American sitcom Happy Days...

. It was released on 5 July 2007 by Grosset & Dunlap

Grosset & Dunlap

Grosset & Dunlap is a United States book publisher founded in 1898.The company was purchased by G. P. Putnam's Sons in 1982 and today is part of the British publishing conglomerate, Pearson PLC through its American subsidiary Penguin Group....

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In this story, the Zipzers take a road trip to a crossword puzzle

Crossword

A crossword is a word puzzle that normally takes the form of a square or rectangular grid of white and shaded squares. The goal is to fill the white squares with letters, forming words or phrases, by solving clues which lead to the answers. In languages that are written left-to-right, the answer...

 tournament and a roller coaster park in North Carolina

North Carolina

North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...

. But when he mistakenly leaves Mrs. Adolf's vacation homework packet at a motel, he and Frankie set out to have it delivered — without Mr. Zipzer finding out.