Book excerpt: The brand new adventure from the author of The Devil and the Four, in which Sherlock Holmes and Henry Vernier uncover a tense family mystery. FAMILY SECRETS Sherlock Holmes acquires a new client when a beautiful young woman, Isabel Stone, faints on the steps of his Baker Street rooms. She has come to beg his assistance in reclaiming the priceless jewels kept from her by her tyrannical stepfather, Captain Grimbold Pratt. But shortly after agreeing to take her case, Captain Pratt comes to Baker Street, furious that Isabel is trying to deprive him of his fortune. Unsure who to believe, Holmes and his cousin, Dr Henry Vernier, must travel to Pratt's estate, home to tigers, wolves and murderers, to unravel a family mystery dating back to the Indian Mutiny.