`The Hidden hand has lots of books but the hidden hand is one of them it is a mystery book with lots of unexpected things happening all the time they find strange things at an old farm and house things are still working when they go and look at the farm so they that it was the hidden hand in action so they left some food and you are going to have to figure out the rest if you read the book. you could look it up .
The book name
The Hidden Hand
by Irene Schultz
So get to reading