`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