### Home > CAAC > Chapter 1 > Lesson 1.2.1 > Problem 1-46

1-46.

Use guess and check to find your answer.

Make three columns: one for spy novels, one for science fiction novels, and one for the total.

Remember that the spy novels + 8 equals the number of science fiction novels Michael has.

He owns 9 spy novels and 17 science fiction novels.