Sylvester Sleuth's adventure comes to a close as he follows the clues of a mysterious treasure-map and discovers more about the heart of God.

Sylvester Sleuth receives a baffling letter and learns about how God looks at a person's heart, not their outward appearance.

Sylvester Sleuth receives a plate of donuts, some difficult instructions, and learns about what it means to do what pleases God.

Sylvester Sleuth’s adventure continues as he receives another message from the Questioner, a telescope, and what it means to be a child of God.

After solving the Mystery of the Two Trees, Sylvester Sleuth receives another message from the Questioner... a really big boat!

Sylvester Sleuth has always loved a good mystery. When a mysterious character named the Questioner starts sending him strange clues, the detective must search the Bible for answers. As Sylvester unravels the mysteries with the help of his friends, he unravels more about who God is.