PJ is a 5th grader who believes his father is a private investigator away on assignment. The story is a series of PJ’s letters he writes to his father telling the events of his life. PJ decides to make a magnetic pickle for the school science experiment, hoping to win first place. However, the first place trophy turns up missing and PJ is accused of taking it. Although misfortune follows PJ wherever he goes, PJ decides he must solve the mystery. This book is written in the same style of Diary of a Wimpy Kid books. This book is quite silly which kids will love!