I wanted to put in a plug for a wonderful book I purchased recently on the parables. I have read only the first 10 pages so far, but am already deeply impressed. This is a major tome (846 pages with the indices) that offers a full-length commentary on every parable. Even the short ones get a full explanation (for instance, the one verse parable of the treasure in Matthew 13:44 gets 12 pages!). The parable of the sower gets 34 pages. He has read everything of importance, and the bibliography is priceless. This will certainly be the authoritative and standard treatment of the parables for quite some time to come. If anyone is thinking of preaching on the parables, this is a must read.