Kept in the dark

Some secrets are best kept hidden. Just like gold in a treasure chest. Value of the priceless only appreciates, in kind or otherwise, till its kept in the dark. These stories may highlight the essence and true meaning of these words.
For instance, a man who resides in a desert is skillful. He keeps the knowledge about the riches of the rich, safe. The rich provision for everything he needs, because of his knowledge about their wealth. So, the man has to be on his toes to make sure he’s aware about every move his providers make, so that the rich do not move their wealth without him knowing about it. The moment the man’s knowledge gets outdated, the rich will stop giving luxuries to the man and then the desert will consume him. Even if the man makes his knowledge public, he looses out once the secret is out. Too many people know.
A person with a gift. If the gift is hidden, the person benefits. Once the gift is exposed, the person gets exploited and others take benefit.
This book primarily has stories of authors from USA and Canada. There is one writer from Malaysia.