We offer filtering by page range so that customers can limit search results to a smaller set that is more closely aligned to the age of the child. The number of pages in a book provides some indicator of the amount of text in a book. However customers should note this is a very broad brush guide as it does not indicate how difficult a book is to read or understand.

Also please note that whilst the ranges may look a bit odd, they reflect the fact that in the past books were printed on offset presses and so the total pages had to be multiples of 8, 16, or 32.

More information as to the types of books which may fall in the categories is shown below:

0 – 40
Board books aimed at very young children tend to have few pages. Picture books – which have a standard page count of 32 – also fall in here. Example would be ‘Goodnight Moon’ by Margaret Wise Brown.

41 – 64
Books in this category are likely to have lots of pictures alongside the text and tend to be aimed at emerging readers.  Example would be ‘The Glow-Worm who Lost her Glow’ by William Bedford and Sophie Joyce 

65 – 96
This category is the start of ‘chapter books’. Here we should still see lots of pictures, but more words than in the previous category. Example would be ‘Winnie goes batty’ by Korky Paul and Laura Owen.

97 – 128
More chapter books. The text is getting longer here and there are more likely to be line drawings than full illustrations. Example would be ‘Sophie’s Tom’ by Dick King Smith.

129 – 192
These books would likely fall in the 8-12 category in bookshops. Example would be Captain Underpants and the Attack of the Talking Toilets’ by Dav Pilky 

193 – 256
Again these books would likely fall in the 8-12 category in bookshops. Example would be ‘A Dog so Small’ by Philippa Pearce.

257 – 352
Stories here are getting longer and more complex – so upper end of the 8-12 and into the teen category. Example would be ‘Charlie Bone and the Time Twister’ by Jenny Nimmo.

This category will cover books aimed at older readers, including YA.  Example would be ‘The Hunger Games’ by Suzanne Collins.



Publishers categorise books by target audience, and these  categories reflect content as well as reading difficulty. The following outlines the criteria for  YA and Middle Grade:

Middle Grade: used for books which have the following characteristics:

  • - aimed at ages 8-11 years, US grades 3-6, UK school years 4-7,
  • - around 30-50k words long,
  • - main character is around the age of the reader or younger,
  • - topics include friendship, family, the character’s life and world, external conflict,
  • - point of view is frequently in the third person,
  • - content is restricted so swearing, graphic violence and sexuality are not allowed.

YA (Young Adult): used for books which have the following characteristics:

  • - aimed at ages 12-18 years, US grades 7-12, UK school years 8-15,
  • - around 50-75k words long,
  • - main character is aged 12-18 years,
  • - topics include self-reflection, internal conflict vs external, analysing life and its meaning,
  • - point of view is often in the first person
  • - swearing, violence, romance and sexuality are allowed.


There is a useful guide to age groups and children’s books in this post by Jenny Bowman.



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