87. The Bletchley Riddle Ruta Sepetys and Steve Sheinkin

Release date 10/8/24. Jakob, 19, works the night shift at Bletchley, near London, with other brilliant minds and complex machines all working toward deciphering German messages during WWII. While his sister, Lizzie, 14, is deciphering messages potentially written by their mother proving Lizzie's belief that their mother is still alive despite being told she died in a bomb blast. Timing is everything. Plenty of suspense with relatable sibling banter and serious riddles and puzzles will keep readers involved. Transcript here