Joseph W. Svec III 
Sherlock Holmes and the Adventure of the Grinning Cat [PDF ebook] 

Time is running out!When the Cheshire Cat, the White Rabbit, and The Mad Hatter turn up at 221-B Baker Street to enlist the help of Sherlock Holmes in locating Alice who is missing from Wonderland, and Lewis Carroll himself who is also nowhere to be found, there begins an adventure more stranger and curious than anything Sherlock has ever encountered. A Unicorn, the Jabberwocky, the time traveling author, H.G. Wells, trips to Wonderland and beyond, and even a journey outside of time itself where awaits the ultimate enigma of logic, all are a part of this incredible tale.