There are also practical things to consider when you create a book.
When you print books, you have to print in multiples of 4 pages. You can print 28 pages or 32 pages but you cannot print 29 or there will be blank sides.
The size of the book is also important. Little books fit in your pocket and feel nice, but they may be too small to see the pictures. They’re also more likely to get lost.
It’s Thomas Coram’s 350th birthday, so a special larger and unusual size was chosen. But if it were too big, it might not fit on the shelf in the library, or it might be too heavy to hold.
Since the book is being sent to every primary school, it had to be strong and able to last so lots of children can enjoy it and so it looks nice for every reader.
The cover has been treated with a laminated coating – like a film that is put on to the paper to make it shiny and thicker making it feel even more special.