This is a reference book for the police officer and firefighter recruitment exams (for university graduates). It is an official TAC textbook, and it clearly summarizes the basics and key points. [Set Contents] ① Numerical Reasoning (Vol. 1) ② Numerical Reasoning (Vol. 2) ③ Natural Sciences ④ Social Sciences ⑤ Humanities (Vol. 1) ⑥ Humanities (Vol. 2) ⑦ Reading Comprehension ※ All 7 books are included. [Condition] ・Used ・There are some scratches on the cover and corners, but overall, the books are in good condition. ・No writing or highlighting is visible (※Please forgive any oversight). ・No torn or missing pages. [Additional Information] ・Recommended for those aiming to become police officers/firefighters. ・Easy-to-use textbook for those starting to study and those studying independently. Please understand that this is a used item before purchasing. Instant purchase is welcome. ※This product is a textbook that was used when the seller passed the firefighter recruitment exam.