Recently orphaned Sophie Taylor, now a shopgirl at London's newly opened Sinclair's department store, finds herself implicated in the theft of the priceless clockwork sparrow in this Edwardian mystery adventure.

When a priceless painting is stolen, our dauntless heroines Sophie and Lil find themselves faced with forgery, trickery and deceit on all sides! Be amazed as the brave duo pit their wits against this perilous puzzle! Marvel at their cunning plan to unmask the villain and prove themselves detectives to be reckoned with – no matter what dangers lie ahead…

The festive season has come to Sinclair's and Sophie and Lil are spending the holidays at snowy Winter Hall. As sinister secrets come to light, our intrepid heroines find themselves faced with a more baffling mystery than ever before.