All Is Fair by Dee Garretson
Published by Swoon Reads on January 22nd 2019
ISBN: 1250168694
Pages: 288
Goodreads

Her ladyship Thomasina Thretheway, aka Mina, receives a mysterious telegram from her father, Lord Thretheway, a high-ranking official in the Foreign Office. When Mina returns home, she discovers an Lord Andrew, an old family friend needs her to help map out a German village she used to visit as a child to help with a top-secret mission. Andrew is working with a dashing young American and they all soon realize that the Thretheway family manor has a spy in the midst. This page-turning, historical mystery features a strong female protagonist and some funny moments along the way. YA, for middle school/high school.

Reviewed by Karen Sandlin Silverman, Mt. Ararat Middle School, Topsham