This is not just another counting book.
In this book you must look carefully at the pictures. You must count. And count again.
This is a counting book with a difference.
What is the difference? The difference is what is left over when you subtract one group from another group.
Why else is this a counting book with a difference?
Because besides counting, you must read and look and think, too. Because there are many things to discover and puzzle out. Because this book is fun!
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