A few reviews...
"Historical novel in which friendship plays the part usually assigned to romantic love. The love interest is there to be sure, but the real theme of the story is the devotion and loyalty of a young Anglo-French woman to a royalist officier suspected of treason. The time is that of the Restoration of the monarchy in France." --Wisconsin Library Bulletin
"An exciting novel of Napoleonic times Its literary kinship is rather to Stevenson's St Ives than to any lesser predecessor." -- N Y Herald Price
"A royalist's adventure in Napoleonic times It will keep the tired city man by the fireside and the sleepy school girl sitting up in bed to damage her eyes by candle light." -- The Spectator