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Peek-A-Poo: What’s In Your Diaper?
Author Guido van Genechten
Original title Mag Ik Eens In Je Lueir Kijken?
Language Dutch
Genre Children's book
Publisher Clavis Publishing, Bloomsbury
Publication date
January 1, 2010
Media type Print (Hardcover)
Pages 32
Awards 2010 Bookseller/Diagram Prize for Oddest Title of the Year Finalist
ISBN 978-1605370521
Dewey Decimal System classification
LC Class Library of Congress Classification

Peek-A-Poo: What’s In Your Diaper? (originally titled Mag Ik Eens In Je Luier Kijken?) is a 2010 picture book for children pertaining to toilet training, catered to children of ages two to five, written and illustrated by Guido van Genechten[1][2][3][4] and published by Clavis Publishing on January 1, 2010.[3] It was longlisted for the 2010 Bookseller/Diagram Prize for Oddest Title of the Year.[5] Originally penned in Dutch, the book has been adapted into many languages, including English and Afrikaans.


An inquisitive Mouse looks into the diapers of his fellow animal friends, such as Hare, Doggy, Horse, Piggy and Goat, and scrutinizes the different types of faeces and droppings in them. When he finally looks into his own, he realises how clean his is, for he has learnt how to use the potty.

Major themes[edit]

Toilet training[edit]

Peek-A-Poo: What’s In Your Diaper? pertains to toilet training. Its main theme is to raise awareness in children about having good toilet training skills.

Classification and counting[edit]

Throughout the book, the main protagonist, Mouse, looks into the soiled diapers of his fellow animal friends. All of them have different type of droppings, some of which are large and black, some of which are small and light. There is also some emphasis in the number of droppings each animal friend has. (For example, Hare has seven hare pellets in his diapers)


  1. ^ "Toilet troubles". Australian Family. October 2000. Retrieved October 6, 2012. 
  2. ^ "Peek-a-Poo - What's In Your Nappy? by Guido van Genechten". The Bookbag. Retrieved October 5, 2012. 
  3. ^ a b "Peek-a-Poo What's in Your Diaper?". Amazon. Retrieved October 5, 2012. 
  4. ^ Spanton, Timothy (February 27, 2010). "Books with the craziest titles". The Sun. Retrieved October 5, 2012. NONE of the books below will top the bestseller lists – but they are in line for an award anyway. 
  5. ^ Flood, Alison (February 5, 2010). "Bondage for Beginners vies with Origin of Faeces as contenders line up for oddest title prize". Guardian. Retrieved October 5, 2012. A bumper year for strange books as longlist for 2010 prize is announced 

External links[edit]