All sounds a bit cliched (detective tracks what she believes is a serial killer), but free if free, versus £11.99 for print!
"How do you catch a killer who never leaves a clue?
Bridgette Cash is a rookie detective working her first murder case. The circumstances surrounding the murder of a young woman lead her to believe it’s the work of a serial killer, but nobody is listening. Convinced the killer will strike again shortly, can Bridgette find enough evidence to catch the killer before another young woman is murdered?"