“Sherlock Holmes and the Adventure of the Grinning Cat” is a story written by Joseph W. Svec III, in which Sherlock Holmes and doctor Watson are hired to save Wonderland and its inhabitants from disappearing.
The book pretends to be a manuscript found in the belongings of dr. Watson, being one of his records of Sherlock Holmes’ cases, dating 1898 .
It describes from Watson’s point of view how the Cheshire Cat, Hatter, and White Rabbit are visiting Sherlock Holmes because there is trouble in Wonderland: Alice and several other Wonderland inhabitants are missing. Not only that, but parts of Wonderland itself are disappearing. They beg Holmes to help put a stop to this and bring everyone back.