A hilarious eco-adventure about a boy's mission to retrain his brilliant but eccentric dad – using a puppy-training pamphlet!Twelve-year-old Carl is fed up with his dad's quirky ways; he may be a genius, but bin-diving for food, scouring through rubbish for 'salvageable' junk and wearing clothes fully sourced from garage sales is getting old.Increasingly worried by what his schoolmates will think – and encouraged by his riotous best friend – Carl decides to use a puppy-training pamphlet to 'retrain' his dad's mindset . . . a crackpot experiment that produces some hilarious results!From Gary Paulsen, the award-winning author of Hatchet, How To Train Your Dad is a fierce and funny middle-grade novel about family, friendship and green-living that will have readers laughing out loud.Perfect for fans of humorous adventures and eco-friendly themes.