In the second thrilling installment to the Improbable Tales of Baskerville Hall series, Arthur returns to the elusive Baskerville Hall and must solve the mystery behind a poisoned Sherlock Holmes, facing new threats, harrowing challenges, and ghastly ghouls along the way. It's time for a new adventure, are you ready? When Arthur Conan Doyle returns to Baskerville Hall, a secretive school for extraordinary students, he's...