"Don and his uncles joined an expedition bound by air across the north pole. A great polar blizzard nearly wrecks the airship."--Dust-jacket flap.

"Don and his uncles joined an expedition bound by air across the north pole. A great polar blizzard nearly wrecks the airship."--Dust-jacket flap.

"Don's uncle, the hunter, fills an order for some of the biggest snakes to be found in South America - to be delivered alive!" -- dust jacket.

"Don and his party are wrecked in Borneo and have thrilling adventures among the head hunters." -- a dust jacket from series.

Don Sturdy on the Ocean Bottom, or The Strange Cruise of the Phantom is volume 11 of the classic Don Sturdy series. From the author of the Tom Swift series.

An engrossing tale of the Sahara Desert, of encounters with wild animals and Arabs. From the author of the Tom Swift books.

Tom receives a message from his missionary friend which describes a wonderful lost city, filled with treasures of gold, somewhere deep in the heart of Mexico.