This is not my hat is a 2012 childrens picture book by the author and illustrator jon klassenthe story is told through the unreliable narration of a little fish who has stolen a hat from a big fish and how the big fish reacts to the theft it is a thematic follow up to i want my hat back and was meant to be a more literal sequel until klassen took a suggestion to change which animals were . I call it fish noir. About press copyright contact us creators advertise developers terms privacy policy safety how youtube works test new features press copyright contact us creators . A sneaky fish learns a lesson in crime and punishment in the bestselling multiple award winning sequel to i want my hat back winner of the caldecott medal and kate greenaway medal 2014 from the creator of the bestselling i want my hat back and sam