Title: Bats fly at dusk
Subtitle: by A. A. Fair [pseud.]
First published: 1951
Description: Cool & Lam Mystery #7 (1942)

Donald is temporarily on the lam from Cool & Lam, having joined the Navy to fight a world war, but it's Bertha who's all at sea, regularly blowing her cool, chasing elusive cash cows on multiple fronts.  Blind street vendor Rodney Kosling.  Young Josephine Dell, one of his "regulars," clipped by a car while crossing the street.  Harlow Milberg, her wealthy, recently deceased boss.  A fishy will.  Bickering beneficiaries.  A money-grubbing accident witness.  Dazzled by dollar signs on every side, Bertha keeps missing the boat.  Until finally, thanks to her partner and a thirty-six-hour leave, everything gets sorted and the agency's ship comes in.