Read the first chapter of book number two in the Young Explorer series. This is what is happening: “A wave of jewelry thefts is committed in broad daylight and without any trace. When an old family necklace vanishes, the Young Explorers set out to catch the phantom known as the Invisible Thief.”

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 Family Secret were created. See the first sketches next to the final art.