The Polar World. With 3 Maps, 8 Plates and 85 Woodcuts. 8vo., 7s. net.
The Subterranean World. With 3 Maps and 80 Woodcuts. 8vo., 7s. net.
The Aerial World. With Map, 8 Plates and 60 Woodcuts. 8vo., 7s. net.
Heroes of the Polar World. 19 Illustrations. Crown 8vo., 2s.
Wonders of the Tropical Forests. 40 Illustrations. Crown 8vo., 2s.
Workers under the Ground. 29 Illustrations. Crown 8vo., 2s.
Marvels over our Heads. 29 Illustrations. Crown 8vo., 2s.
Sea Monsters and Sea Birds. 75 Illustrations. Crown 8vo., 2s. 6d.
Denizens of the Deep. 117 Illustrations. Crown 8vo., 2s. 6d.
Volcanoes and Earthquakes. 30 Illustrations. Crown 8vo., 2s. 6d.