Here is an exclusive detective skill you cannot find in the books!

Train your detective skills by finding five changes made to images from the book. You can play the game in your browser. No download required. Some changes are small, so it is best to view the images on a computer screen.

Hint: Also look for changes in color!  

Get a feeling of how the images of A Christmas Miracle were created. See the first sketches next to the final art.