The Garden of Rama is a 1991 novel by Gentry Lee and Arthur C. Clarke. It is the third book in the four-book Rama series: Rendezvous with Rama, Rama II, The Garden of Rama, and Rama Revealed, and follows on from where Rama II left off. Plot summary: The book picks up the story nine months after the end of Rama II. The book follows the story of three astronauts from the expediti...(展开全部)

With their spectacularly enlarged canines, sabertooth cats are among the most popular of prehistoric animals, yet it is surprising how little information about them is available for the curious layperson. What’s more, there were other sabertooths that were not cats, animals with exotic names like nimravids, barbourofelids, and thylacosmilids. Some were no taller than a domestic...(展开全部)

本书为公版书，为不受著作权法限制的作家、艺术家及其它人士发布的作品，供广大读者阅读交流。汇聚授权电子版权。

A thought-provoking history of papyrus paper―from its origins in Egypt to its spread throughout the world―revealing how it helped usher in a new era of human history. For our entire history, humans have always searched for new ways to share information. This innate compulsion led to the origin of writing on the rock walls of caves and coffin lids or carving on tablets. But it w...(展开全部)

Jack and Annie are whisked all the way back to the Ice Age in this compelling Magic Tree House time-travel adventure where they meet woolly mammoths, cave people...and fierce sabertooth tigers!

Jack and Annie are whisked all the way back to the Ice Age in this compelling Magic Tree House time-travel adventure where they meet woolly mammoths, cave people...and fierce sabertooth tigers!

Waugh tells the story of the Marchmain family. Aristocratic, beautiful and charming, the Marchmains are indeed a symbol of England and her decline in this novel of the upper class of the 1920s and the abdication of responsibility in the 1930s.

Waugh tells the story of the Marchmain family. Aristocratic, beautiful and charming, the Marchmains are indeed a symbol of England and her decline in this novel of the upper class of the 1920s and the abdication of responsibility in the 1930s.

Leaping from the final pages of Civil War, this is the story that stunned readers, sent shockwaves through the entire Marvel Universe, and made news headlines worldwide! And the death of Captain America is only the beginning! In the aftermath of the fabled hero's assassination, Agent 13, Bucky Barnes, the Falcon, Black Widow, and Iron Man come together again in a desperate atte...(展开全部)

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredible, an interstellar spacecraft. Space explorers and planet-bound scientists alike p...(展开全部)