Review: The Earth Key (The Elementals Book 2) by Jennifer L. Kelly

Just in case you missed it, I did an interview with Jennifer L. Kelly earlier this week! We talked about this book, her journey in self-publishing, and a few other fun things. You can find that interview here.


Overall Score: 7/10

Genre: Young Adult, Science Fiction

Series: Yes, Book 2 (Review for book 1 available here)

Publisher: Boxerbull Books

Release Date: December 6, 2016

Source: I received a free copy of this book from the author in exchange for an honest review

Book Summary (From GoodReads)

In book two, Ka’s journey continues as she travels to the Land of Earth to retrieve and destroy the Earth stone. Her mother went to great lengths in order to protect her from the Imminent Darkness, but there are consequences for hiding the truth. Someone has lied and someone will die as the Imminent Darkness grows stronger in its quest for retribution.


This book picks up just a few weeks after the ending of the first book, Army of Fire (see my review here), while Ka is coming to terms with the aftermath of the final events of that book. The Earth Key really delves into the mythology behind the impossible girl and I loved it. The author has created an interesting mythology that greatly expands the scope of the story.

What I enjoyed the most about this book is Ka’s relationship with her mother and, to a lesser degree, her father. I think the mother-daughter relationship is the most nuanced and complicated ones thus far. Finding out more of the backstory really changed my view of multiple characters while giving me a much better understanding of the world.

If you enjoyed the first book, you’ll definitely enjoy this one! I actually enjoyed this one more because I felt as if I really started to get to know the characters. While both books are part of the same overall storyline, they feel very different. Army of Fire leaned more dystopian while The Earth Key explores the fantasy aspect of the novel. I’m intrigued to see where the story goes next now that it has such a solid foundation on which to build.

General thoughts

  • Sloane & Ka are still adorable, even if he isn’t as present in this book (plus the romance doesn’t take over the story at all AND there’s still no love triangle)
  • I like that Ahna still goes to the library when trying to find answers for anything
  • That scene in the pyramid seriously creeped me out (don’t read close to bed)
  • I liked how this built upon the previous world-building to really expand the story. The only part that felt a little off/highly unlikely for me were the ones where Ka finds her father.
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