在外星居民的世界里，探索与冒险无处不在。赵轻丹慕容霁全文阅读

　　外星闯入者哈里·范德斯佩格尔和麦卡利斯特将军搁置分歧，共同面对更大的生存威胁——即将到来的灰人入侵。 　　Extraterrestrial interloper Harry Vanderspeigle and General McCallister put aside their differences and work together in the face of a much greater existential threat - the impending invasion of the Greys.