When you buy this book you get an electronic version (PDF file) of the interior of this book. Kids can play detective with 50 pairs of similar-looking monochrom

When you buy this book you get an electronic version (PDF file) of the interior of this book. Kids can play detective with 50 pairs of similar-looking monochrom

When you buy this book you get an electronic version (PDF file) of the interior of this book. Kids can play detective with 100 pairs of similar-looking monochro

Can you spot the differences? Look closely at these 25 pairs of colorful photos! The ones on the left are the originals and the ones on the right feature ten or

Two or more pictures that seemingly are identical are presented on the same page, but subtle changes have been made to one of the pictures. It s up to you to fi