Jonathan's mice: Yesterday, today and tomorrow: A spot the differences book

Jonathan's mice: Yesterday, today and tomorrow is a spot the differences book. The nature of this book is interactive. The reader is encouraged to find five differences between two similar pictures. All illustrations are drawn by the author. They show whimsical cartoon mice from various eras: The age of dinosaurs, the ice age, etc, right up to the present time and possible future. A list of solutions is included at the end of the book. Children, especially those between the ages of seven and eleven, may find the content amusing and entertaining. Adults who like to let their own inner child come out to play may find this book appealing as well. The intention of Jonathan's mice is to make the challenge of spotting the differences light hearted and fun.