War Machines by Ayan Pratap

Their search for new species turned into a quest for survival. 
On the north Pacific Aleutian island of Chisil Myra joins her father Eustace and his team to search for new amphibian species that are believed to exist in the unexplored volcanic caves. 
They came face to face with hostile forces for which they had never prepared.
When their mission takes an unexpected turn, and Eustace goes missing in the cave system, little did Myra know that the very emotional bond with her father will be tested to its ultimate.
How far a daughter will go to find her father?
Myra, and her team of sentient robot machines must risk everything and search for her missing father in the alien-infested caves.

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