关于此电子书
Pellucidar is a fictional Hollow Earth milieu invented by Tarzan creator Edgar Rice Burroughs for a series of action adventure stories. In a notable crossover event between Burroughs' series, there is a Tarzan story in which the Ape Man travels into Pellucidar. The stories initially involve the adventures of mining heir David Innes and his inventor friend Abner Perry after they use an "iron mole" to burrow 500 miles into the Earth's crust. Later protagonists include indigenous cave man Tanar and additional visitors from the surface world, notably Tarzan, Jason Gridley, and Frederich Wilhelm Eric von Mendeldorf und von Horst. Geography: In Burroughs' concept, the Earth is a hollow shell with Pellucidar as the internal surface of that shell. Pellucidar is accessible to the surface world via a polar opening allowing passage between the inner and outer worlds through which a rigid airship visits in the fourth book of the series. Although the inner surface of the Earth has an absolute smaller area than the outer, Pellucidar actually has a greater land area, as its continents mirror the surface world's oceans and its oceans mirror the surface continents. A peculiarity of Pellucidar's geography is that due to the concave curvature of its surface there is no horizon; the further distant something is, the higher it appears to be, until it is finally lost in the atmospheric haze. Pellucidar is lit by a miniature sun suspended at the center of the hollow sphere, so it is perpetually overhead wherever one is in Pellucidar. The sole exception is the region directly under a tiny geostationary moon of the internal sun; that region as a result is under a perpetual eclipse and is known as the Land of Awful Shadow. This moon has its own plant life and (presumably) animal life, and hence either has its own atmosphere or shares that of Pellucidar. The miniature sun never changes in brightness, and never sets; so with no night or seasonal progression, the natives have little concept of time. The events of the series suggest that time is elastic, passing at different rates in different areas of Pellucidar and varying even in single locales.
作者简介
Edgar Rice Burroughs (September 1, 1875 – March 19, 1950) was an American writer, best known for his creations of the jungle hero Tarzan and the heroic Mars adventurer John Carter, although he produced works in many genres. Early life: Burroughs was born on September 1, 1875, in Chicago, Illinois (he later lived for many years in the suburb of Oak Park), the fourth son of businessman and Civil War veteran Major George Tyler Burroughs (1833–1913) and his wife Mary Evaline (Zieger) Burroughs (1840–1920). His middle name is from his paternal grandmother, Mary Rice Burroughs (1802-ca. 1870). Burroughs was educated at a number of local schools, and during the Chicago influenza epidemic in 1891, he spent a half year at his brother's ranch on the Raft River in Idaho. He then attended the Phillips Academy in Andover, Massachusetts, and then the Michigan Military Academy. Graduating in 1895, and failing the entrance exam for the United States Military Academy (West Point), he ended up as an enlisted soldier with the 7th U.S. Cavalry in Fort Grant, Arizona Territory. After being diagnosed with a heart problem and thus ineligible to serve, he was discharged in 1897.
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