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Heartfire
This richly imagined alternate history will appeal to fans of Delirium, Wither, and The Forest of Hands and Teeth. Emmeline and Matisa have arrived at the land of Matisa's people, but the Dominion's troops are moving in. Matisa's people have prepared for battle, but the Dominion's weapons are brutal. To secure their survival, they will need something so important the Dominion will have to leave them in peace. Matisa and Em think they know what they need: the remedy to the Bleed, a deadly sickness. To find it, Em will have to go back to the stifling settlement she'd spent her whole life trying to escape. But she's no longer the Stained girl she once was —and she's not going down without a fight.青少年应知的100个天文学常识
玛雅预言中说的“地球将在第五太阳纪迎向完全灭亡的结局”可信吗?或许,解开谜底只能从了解天文学入手。100个青少年不得不知的天文学常识,最权威、实用的天文学常识手册。让你轻松、高效地学习天文学知识,带领你在浩瀚的宇宙中遨游。每天读一点世界战争史
战争的萌芽在原始社会就已产生,远古的人类部族之间为了争夺食物、土地、人口、资源、财物会进行残酷的暴力厮杀。当原始的蛮荒社会走向灭亡,文明时代的曙光照亮全人类后,战争却以更为极端的方式在全球范围内展开。上古时期、中世纪、近代社会、现代社会,战争并未随着文明进程的扩展而终结,反倒是愈演愈烈,先进的大规模杀伤性武器不断升级,直至威胁到全世界人类的生存安全。