In this story the aim of the author has been, not only to interest and amuse, but also to stimulate a taste for scientific study.

THE MISSING MERCHANTMAN

By Harry Collingwood. With 6 full-page Pictures by W. H. Overend. Crown 8vo, $1.00.

A fine Australian clipper is seized by the crew; the passengers are landed on one deserted island, the captain and a junior officer on another; and the young hero of the story is kept on board to navigate the ship, which the mutineers refit as a private vessel. After many adventures Ned succeeded in carrying off the ship, and in picking up the captain and the passengers.

THE CONGO ROVERS

A Tale of the Slave Squadron. By Harry Collingwood. With 8 full page Illustrations by J. Schönberg. Crown 8vo, olivine edges, $1.50.

The scene of this thrilling tale is laid on the west coast of Africa among the slavers.

THE ROVER'S SECRET

A Tale of the Pirate Cays and Lagoons of Cuba. By Harry Collingwood. With 6 full-page Illustrations by W. C. Symons. Crown 8vo, $1.00.

The hero of "The Rover's Secret," a young officer of the British navy, narrates his peculiar experiences in childhood and his subsequent perils and achievements.