An excerpt from the book:

F. Filweas said: The West is suffering from a vast spiritual void, which no principle or faith could fill to bring about happiness. Despite the affluence there, and the so-called economic prosperity, besides the satisfaction of physical needs of people, the Western man still has a sense of worthlessness in his life. He wonders why he is living, where he is going, and why. But no one so far has given him a satisfactory response. Unfortunately, he has no idea that his remedy is in the right religion about which he knows nothing more than doubts. However, the beginning of a light has started to breakthrough after a few groups of Westerners embraced Islam and Western man began to see men and women put Islam into practice and live up to its teachings with his own eyes. Everyday some people there embrace the true religion. It is just the beginning.

Click to download:  The Key to Happiness