+A Millionaire at Sixteen+; or, The cruise of the "Guardian Mother." 3.

+A Young Knight Errant+; or, Cruising in the West Indies.
4.

+Strange Sights Abroad+; or, Adventures in European Waters.
No author has come before the public during the present generation who has achieved a larger and more deserving popularity among young people than "Oliver Optic." His stories have been very numerous, but they have been uniformly excellent in moral tone and literary quality.

As indicated in the general title, it is the author's intention to conduct the readers of this entertaining series "around the world." As a means to this end, the hero of the story purchases a steamer which he names the "Guardian Mother," and with a number of guests she proceeds on her voyage .-- _Christian Work, N.Y._ +All-Over-the-World Library.+ By OLIVER OPTIC.

Second Series.
Illustrated.