Your dad is out of town on business, but a mysterious stranger asks you to help him. It could save his life, but brings you into a world of intrigue that spans from California to Washington, DC. Using your intellect and ability to decode puzzles through Algebra or Geometry, you solve the essential clues necessary to become a respected spy. Each chapter has a section to decode using your choice of Algebra or Geometry. Once you get the correct answer, which is in the key, you can move onto the next section to continue your adventure as spy extraordinaire. Continue your adventure in the next...
Your dad is out of town on business, but a mysterious stranger asks you to help him. It could save his life, but brings you into a world of intrigue t...
The second installment of the "How You Became a Spy" series. Now, you delve even further into your new career as spy. This time, you visit amusement parks, where you nearly miss death, travel across the nation and then abroad. Use your Algebra or Geometry skills to solve the challenging decodes and earn your right to proceed as spy extraordinaire
The second installment of the "How You Became a Spy" series. Now, you delve even further into your new career as spy. This time, you visit amusement p...
In this third installment of your adventures as a spy, you will realize the potential of your diamond ring. While single-handedly rescuing your dad from imminent death for being a traitor and clearing his name, you uncover secrets very few people know about. Using your powerful math skills in Algebra or Geometry, you solve the mysteries and get your dad home safe
In this third installment of your adventures as a spy, you will realize the potential of your diamond ring. While single-handedly rescuing your dad fr...
