The Great Detective — Thom Nichols

It's time to solve the Great Pickle case.
Slightly confused about everything, the Great Detective blunders his way through case after case, constantly on the diligent lookout for clues to the Great Pickle case. With the help of his Secretary's Great Granddaughter and her boyfriend, the Great Detective sets up a Great Detective's shop inside the local mall. Bungling and stumbling the Great Detective mixes up innocent situations that get him in serious trouble with the other proprietors and employees at the mall. Hounded by the mall security and the girl from SEARS, the Great Detective wiggles and wriggles out of situation after situation determined to solve his greatest case.
Solving the codes at the beginning of each case will give you the clues and lead you to the details of the Great Pickle case.