In Luke 17 the apostles asked Jesus, "Increase our faith." He answered that if they had faith like a mustard seed, then a tree would obey them. This verse is often misunderstood. As this book shows, the Bible's 5 verses about a mustard seed emphasize its growth from a tiny seed into a large plant that provides for others. These verses do not teach that a tiny amount of faith does miracles: they show faith that grows greatly from its seed-like start, and show the great growth of the Kingdom of God from its tiny start. Faith is a trusting relationship with God that includes His miracles and much more. Little faith is being more like a mustard seed than its tree. In Luke the apostles had mustard seed faith. In Acts they had mustard tree faith. This book shows from Luke how God worked to transform their faith into mustard tree faith. Faithful believers in Jesus can see how God works to transform their own faith in the same way, and can see how to work with Him for this blessing.