The Dutch Blue Error

"The Dutch Blue Error" is the 2nd novel in the Brady Coyne series. Ollie Weston owns a unique stamp that is named the Dutch Blue Error by stamp collectors. It is worth around 1 million dollars. When a Mr. Sullivan calls Weston to tell him that he also has a copy of the Dutch Blue Error, Weston knows he must have it to preserve the value of his stamp, so he calls Brady Coyne in to negotiate a deal to obtain the stamp. A deal is struck, but Mr. Sullivan doesn't show. It turns out that Mr. Sullivan is dead. Brady must try to find the stamp, and Sullivan's killer. In the meantime another murder victim is found. In this novel, Brady has a law student, Zerk, working as his secretary, and Zerk is a very likeable character. This is an excellent mystery with a strong plot and a touch of irony. A real winner!