If you enjoy fast-paced science fiction then you will love They Fell to Earth, the debut novel by Gareth M Duggan. 

When two damaged alien spacecraft appear inexplicably in Earth orbit, humans are suddenly forced to choose sides in a war they do not fully understand.

From young doctor Emily Rodger battling her personal demons, to a traumatised soldier facing exile, humans and aliens struggle to come to terms with their new reality, even as they fight to survive.

Unlikely alliances form and old enmities twist into new shapes in this high-energy tale of an alien encounter like no other.