Shamrock Hunt. Lowan, #2

Meet Lowan, a telepathic alien working as a private detective in the 1930s!When a famous Celtic medallion rumored to have mystical origins-the prize for a charity raffle-is stolen, Lowan competes with a rival private detective to find it in time for the St. Patrick's Day parade. Meanwhile, Marx investigates the death of a history professor and faces off with a lifelong enemy. Lowan is called away from the search to look for a missing man instead, but Tully Brannigan-the owner of the medallion-won't accept any excuses for failure to find it on time.
When the problems pile up, Lowan is forced into an uncomfortable alliance as the deadline approaches. S. E. Grosskopf's writing is strongly influenced by the old pulp fiction magazines and Golden Age radio dramas of the 1930s-1950s. If you like fast-paced action and mystery with a dash of urban fantasy and quirkiness, then you'll love these books. This is the second book in series. The books follow chronologically.
Reading them in order is recommended.