Marja McGraw has 3 audiobooks on Listento.it, narrated by 2 narrators. The most-rated is Bubba's Ghost.

P.I. Sandi Webster's menopausal mother wants her to solve a century-old murder. Her mother's attitude causes armed and dangerous Sandi to feel like a gibbering child. Oblivious to her effect on her daughter, Livvie entices Sandi's cooperation with the story of a lost treasure. In the meantime, a woman needs Sandi and her partner Pete to protect her from a stalker. Can Sandi solve the murder and find the treasure before someone takes her life? Can she and her partner keep their client from harm with her interfering mother adding her two cents? Sandi has more than a few surprises waiting for her. This audiobook is relatively light and humorous, and Sandi shows what she's made of to all who know her. There's plenty of action, and the characters are just like you and me - maybe.
©2008, 2013 Marja McGraw (P)2014 Marja McGraw

In the 1940s, Brian Lewis was called to war and his wife, Prudy, took over her husband's job as a private investigator. Brian never returned.
Today Prudy wants Sandi Webster and Pete Goldberg to help her solve a 1943 murder, the case she couldn't solve. It's personal, and Prudy wants to be in the thick of things again.
After investigating, Sandi believes she knows who the killer is, but he's dead. So who's threatening her and Prudy? And who tried to poison Sandi's half wolf/half Golden Retriever dog?
©2013 Marja McGraw (P)2019 Marja McGraw

Sandi Webster, Los Angeles P.I., has a new case. When a drunken bum is found dead in her client's basement, she has to figure out who might have had a motive for murder other than a young, single mother.
In the process of investigating the crime, Sandi uncovers secrets she'd rather not know. Sandi's partner, Pete, is searching for a killer in Nevada, leaving her to fend for herself, something she does with finesse. In the meantime, a huge dog named Bubba adopts Sandi and moves in, but shows signs of cowardice when eerie sounds are heard coming from the attic. Could Sandi live in a haunted house?
©2008, 2013 MARJA McGRAW (P)2018 MARJA McGRAW