Lewis Carroll gives "1872" as the date of publication.) Its somewhat darker mood possibly reflects changes in Dodgson's life. His father's death in 1868 plunged him into a depression that lasted some years. In 1876, Dodgson produced his next great work, "The Hunting of the Snark", a fantastical "nonsense" poem exploring the adventures of a bizarre crew of nine tradesmen and one beaver, who set off to find the snark. It received largely mixed reviews from Carroll's contemporary reviewers, but was enormously popular with the public, having been reprinted seventeen times between 1876 and 1908, and has seen various adaptations into musicals,
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