Book #4 from the series:
The Casebook of Johnny Sundown
the Last Zombie War: The Casebook of Johnny Sundown (Book 4)
About
Johnny Sundown, full blooded Sioux warrior, Private Eye, working the streets of 1950’s Chicago, is confronted with a deadly new case that threatens to rip the town apart.
Someone is sending zombies on a killing spree, and Johnny must find out who before all hell breaks out.