A wounded pilot. A critical mission. And a deadly traitor, poised to strike again. The Western Front, September, 1915 . A packet of vital aerial reconnaissance photographic plates has been stolen by the enemy and must be recovered. To search incognito, Becky and Flynn travel the war zone with Madame Curie and her daughter in one of the inventor's mobile radiology labs, helping wounded soldiers and civilians, and encountering ever-increasing dangers and betrayals. They will need all their courage, strength, and intelligence if they are to survive and prevail. Fortunately, they have Mr. Holmes as an ally, and they have each other. But will that be enough? A fast-paced and thrilling Sherlockian spin-off, with unexpected twists and turns, two strong and memorable heroes, and a touch of romance. Hidden Harm stays faithful to the spirit of the beloved original series, while introducing more intriguing relationship dynamics. The second installment in an exciting new series. Get it today!