Emerald Green by Kerstin Gier

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Emerald Green by Kerstin Gier opens as Gwyneth is dealing with her breaking heart because of Gideon, while Paul and Lucy are in 1916 getting Paul’s wound treated. Gwyneth meets with her grandfather many times to figure out what happened to the chronograph. Once the mystery of the chronograph has been solved, the mission to save the world from evil begins in earnest. Gwyneth accidentally discovers unknown information about her parents and finds out more secrets by chance. Cute humor and squabbling characters make this time travel finale light and fun. With the added action, this story deserves 4 stars!