Medusa: A Tiger by the Tail the Agent in the picket ship, who calls himself "Mr. Carroll", a Lewis Carroll reference as one of the planets of the Warden system is named "Momrath" with a moon named "Boojum" from Carroll's poem "The Hunting of the Snark". This is because the organic transmitter in Tarin Bul's head has been removed during his transformation. The Agent, Mr. Carroll, believes he now has enough information to know what the alien motives are, and what the Confederacy's likely response is to be. He submits his report to the Confederacy, in which he states his belief that the aliens, called the
Lewis Carroll early version of what today is known as Scrabble. He appears to have invented – or at least certainly popularized – the "doublet" (see word ladder), a form of brain-teaser that is still popular today, changing one word into another by altering one letter at a time, each successive change always resulting in a genuine word. For instance, CAT is transformed into DOG by the following steps: CAT, COT, DOT, DOG. The games and puzzles of Lewis Carroll were the subject of Martin Gardner's March 1960 Mathematical Games column in Scientific American. Other items include a rule for finding the