“Pitch-perfect action scenes…A winning blend of comedy, superheroics, inspirational women from history, and puzzle-solving.” —Kirkus Reviews A trio of young superheroes try to thwart a spy in this second book in the action-packed, comics-inspired adventure series that’s Hidden Figures meets Wonder Woman!After defeating The Hisser—and discovering their power as a team—Infinity Trinity is ready for its next adventure. When Akiko, Mae, and Josie learn that a spy has been betraying secrets to the Japanese military, they join Room Twelve in San Francisco for important work with other code-cracking experts. But soon there is personal code to crack: Akiko spots her mom walking with the suspected sp...