世界末日.

地球 : = 從誕生到終結 / by: (Language materials, printed)

人類大毀滅? = 漫談馬雅預言與歷史預測 / by: (Language materials, printed)

不可思議馬雅預言 = The predictions of doom / by: (Language materials, printed)

2012地球懸念 by: (Language materials, printed)

神奇的馬雅 : = 解密2012末日預言密碼 / by: (Language materials, printed)

地球科學.

世界末日.

馬雅文化.

預言.

太空生物學.