The poison puzzle : an utterly addictive historical mystery

"A secret society. A suspicious death. A trail of deadly clues. London, 1889. When Emma Langley discovers a mysterious symbol in herlate husband's diary, she uncovers a connection to a secretive treasure-hunting group with powerful members. Her investigation takes anunexpected turn when Lord Charles Harpole, a society member, is found dying in his hotel room. The authorities rule it suicide, but Emma and her friend Penny Green aren't convinced. As they follow a trail of cryptic clues leading from St. Paul's Cathedral to Hampton Court, they find themselves caught in a deadly game. With suspects ranging from the lord's grieving fiancée to his ambitious brother, Emma must solve the puzzle before the killer claims another victim. But inthe fog-shrouded streets of Victorian London, someone will stop at nothing to keep the society's secrets buried..."--