Winkler

Hank Zipzer 12: Barfing in the Back Seat

By Winkler, Henry, Oliver, Lin

Hank Zipzer bind-up: The World's Greatest Underachiever Takes on the Universe

By Winkler, Henry, Oliver, Lin, Baines, Nigel

Pocket Parent

By Reichlin, Gail, Winkler, Caroline

Hank Zipzer 2: The World's Greatest Underachiever and the Crunchy Pickle Disaster

By Winkler, Henry, Oliver, Lin, Baines, Nigel

Hank Zipzer 4: The World's Greatest Underachiever and the Lucky Monkey Socks

By Winkler, Henry, Oliver, Lin, Baines, Nigel

Hank Zipzer 5: The World's Greatest Underachiever and the Soggy School Trip

By Winkler, Henry, Oliver, Lin

Hank Zipzer 6: The World's Greatest Underachiever and the Killer Chilli

By Winkler, Henry, Oliver, Lin

Hank Zipzer 7: The World's Greatest Underachiever and the Parent-Teacher Trouble

By Winkler, Henry, Oliver, Lin

Hank Zipzer 8: The World's Greatest Underachiever and the Best Worst Summer Ever

By Winkler, Henry, Oliver, Lin

Hank Zipzer 9: The World's Greatest Underachiever Is the Ping-Pong Wizard

By Winkler, Henry, Oliver, Lin

Hank Zipzer 10: The World's Greatest Underachiever and the House of Halloween Horrors

By Winkler, Henry, Oliver, Lin

Hank Zipzer: The Curtain Went Up, My Trousers Fell Down

By Winkler, Henry, Oliver, Lin, Henry Winkler and Lin Oliver