a book or story that considers what would have been the result if events had happened in a different way to how they actually happened, or the type of book or story that does this

The book is an alternative history in which President Charles Lindbergh leads America into fascism. 这本书讲述了查尔斯·林德伯格总统带领美国走向法西斯主义的另类历史。

With this novel, she has successfully added to the long literary tradition of alternate histories. 凭借这部小说，她成功地为交替历史的悠久文学传统增添了色彩。

The novel is a brilliant piece of alternative history, with characters you really care about. 这部小说是一部精彩的另类历史作品，里面有你真正关心的人物。

an alternate history novel 另类历史小说

a piece of writing that describes past events from a different point of view

The book tells an alternative history of London through the lives of the residents of one street. 这本书通过一条街上居民的生活记载了另一种伦敦历史。

He has written a brilliant alternate history of baseball from the point of view of those obsessed with its statistics. 从那些痴迷于棒球统计数据的人的角度来看，他以独特的视角写下了一部辉煌的棒球史。