Ρόμπερτ Μπ. Πάρκερ

The Judas Goat is the fifth Spenser novel by Robert B. Parker, first published in 1978.

Thin Air is the 22nd Spenser novel by Robert B. Parker. The story follows Boston-based PI Spenser as he searches for the wife of his longtime associate, Sgt. Frank Belson of the Boston Police Department.

Trouble in Paradise is a crime novel by Robert B. Parker, the second in his Jesse Stone series.

Walking Shadow is the 21st Spenser novel by Robert B. Parker.

Widow's Walk is a detective novel by American crime writer Robert B. Parker, the 29th in his Spenser series.