That's Not My... (book series)

That's Not My...
A white dog with grey fur looks at a white mouse holding a bunch of balloons.
Front cover of That's Not My Puppy... 20 year celebration edition (2019)

AuthorFiona Watt
IllustratorRachel Wells
GenrePicture book, baby book
PublisherUsborne Publishing
Published1999–
Media typePrint board book
No. of books72[1]
Websiteusborne.com/gb/books/browse-by-category/baby-books/that-s-not-my

That's Not My... is a series of baby and toddler children's books written by Fiona Watt, illustrated by Rachel Wells and published by Usborne Publishing. Every book focuses on a different subject, which have included animals, vehicles and people. The first book in the series was That's Not My Puppy... which was published in 1999. Each two-page spread of the books contains a different brightly coloured picture of the subject with different attributes represented by a material. The reader is introduced to the different versions of the subject of the book with the phrase "That's not my". The inclusion of materials creates a sensory experience for the reader as they are invited to feel the material and identify why the subject on the page is or is not the correct version. By 2019, the That's Not My... series had sold 6.4 million copies of over 50 books and made over £30.6 million. As of July 2022, there are 72 books in the series.

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