Who Killed The Flowers is another Brownie Adventure, this time in the World of Water. Flowers have been mysteriously killed in various places, and in different worlds. Boys, Familiar characters from Book 1, such the boy Skylar, this time with his friend, Jeff, Marigold, the flower fairy, Queen Celestine of the World of Air, Math, the trickster wizard, and the brownies themselves are all in on the adventure. Another character, Sprayneedle, a plant wizard is consulted for the project and Brownies, fairies, elves and wizards ride in a wizard's submarine to track down the killer who lives at the bottom of the Great Sea in the World of Water. The name of the murderer is given by a device known as the Knowitall. This devise, invented by the trickster wizard, Math, is consulted, requiring Marigold and the Plant Wizard to travel to one of Math's palaces in Math's flying saucer. Once the murderer is named, the brownies are notified, the boys picked up and everything is underway to defeat the murderer and stop the killing of flowers. Who Killed the Flowers will keep a young person laughing all the while, and wanting to know happens next, and some will want to read the book for themselves.