Sách nói: Pony Rider Boys in Alaska

Yee-haw!! The Pony Riders Boys are on the move again! In their last adventure, they are on their way with Professor Zepplin to Alaska. On the "Corsair", they see gold miners on their way to seek their fortune, so the Pony Rider Boys decide to join in the hunt for the yellow metal. But, as always, trouble is not far behind the Pony Rider Boys! (Ann Boulais )

Previous book in the series: The Pony Rider Boys in Louisiana