Rhyming riddles, deadly explosions, and secret identities...These and more test Rollie Wilson as he races to save Sherlock Academy from the villainous Herr Zilch and his malicious plan called the Final Problem. Rollie and Cecily must not only discover what the Final Problem is, but must stop it before it destroys their world. Along the way they must decipher clues personally left by Sherlock Holmes and beat Herr Zilch to a treasure hidden at the Academy. Can Rollie keep his promise to stop Zilch no matter the cost? Will his courage and wits be enough?
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.