Riddle of the Sands. Chapter XXII. The Quartette

Riddle of the Sands. Chapter XXIII. A Change of Tactics

Riddle of the Sands. Chapter XXIV. Finesse

Riddle of the Sands. Chapter XXV. I Double Back

Riddle of the Sands. Chapter XXVI. Norden

Riddle of the Sands. Chapter XXVII. The Luck of the Stowaway

Riddle of the Sands. Chapter XXVIII. We Achieve our Double Aim

Riddle of the Sands. Epilogue