If you / your child struggles to read black text on white paper, and has found the use of coloured overlays or bespoke glasses useful, you may like to take advantage of this offer from the Guide Dogs for the Blind. There will print a whole range of books on different coloured paper / type face / font size / etc, all for the same price as a regular book!

 

https://guidedogsuk.force.com/shop/s/