Margins
Sam Mason Mysteries book cover 1
Sam Mason Mysteries book cover 2
Sam Mason Mysteries book cover 3
Sam Mason Mysteries
Series · 7 books · 2017-2024

Books in series

Telling Lies book cover
#1

Telling Lies

2017

The small police force of White Rock, New Hampshire, is still reeling from the death of Officer Tyler Richardson when they are called to the scene of the accidental drowning of an out-of-town camper. But Chief Sam Mason and Sergeant Jody Harris soon discover the drowning was no accident. Someone murdered Lynn Palmer and staged the scene to make it look that way. With a pool of suspects who aren’t telling the truth and a corrupt mayor who wants the case solved yesterday, Sam and Jo follow a puzzling trail of clues with a surprise ending. And when a stray dog points them in the right direction, Sam discovers the killer is closer than he thought. Just when Sam and Jo think they can rest after having solved Lynn’s murder, a shocking discovery proves that sometimes even those you trust can be telling lies.
Keeping Secrets book cover
#2

Keeping Secrets

2017

When long-time White Rock resident Mike Donnelly is found dead at his hunting camp, it appears as if the tragic death was by his own hand. But a gut feeling tells Chief of Police Sam Mason otherwise. Is it any coincidence that Mike’s family farm sits smack in the middle of a parcel of land that greedy Lucas Thorne desperately needs to complete the development of his resort? Sam and Sergeant Jody Harris’s line of questioning stirs up a hornet’s nest. When Thorne threatens to expose a secret from Sam’s past, Sam realizes the corruption in White Rock runs deeper than he ever suspected. And when a startling discovery surrounding slain officer Tyler Richardson is brought to light, Sam and Jo discover that you never can tell who might be keeping secrets.
Exposing Truths book cover
#3

Exposing Truths

2017

When wildlife photographer Ray Ingalls is murdered in the new owl-protection zone in rural White Rock, New Hampshire, Chief Sam Mason's number-one suspect is his archenemy Lucas Thorne. … Until a mysterious stranger reveals that the victim was up to a lot more than just taking photographs of endangered owls. Suddenly it appears that a lot more people had motive to want Ray dead. Sam, Sergeant Jody Harris and their K-9 Lucy now have a fresh batch of suspects, all of whom have secrets they don't want exposed. But when Sam's hopes of putting Thorne away for good dwindle, help comes in the form of an unlikely ally—one who promises to aid Sam in getting rid of Thorne and clearing up the mystery around officer Tyler Richardson's untimely death. Just when it seems like Sam has it all wrapped up, the unthinkable happens, plunging Sam and Jo into an even deeper mystery and proving that nothing good ever comes from exposing truths.
Betraying Trust book cover
#4

Betraying Trust

2018

Chef Sam Mason needs hard evidence to nail elusive drug dealer Lucas Thorne. Mayor Harley Dupont offers to provide it. But Dupont is murdered before he can talk. Sam and Sergeant Jody Harris don’t know who they can trust aside from their loyal K-9, Lucy. When the FBI comes sniffing around, their past actions come back to haunt them. Just as Sam’s strongest clue appears to be a dead end, a surprise twist reveals the truth behind Dupont’s murder as well as the mysterious death of officer Tyler Richardson, and Sam learns that what he thought was a betrayal of trust was really something else entirely.
Killing Dreams book cover
#5

Killing Dreams

2018

A grim discovery in the woods of a small northern New Hampshire town uncovers a disturbing truth that might finally be what Chief of Police Sam Mason needs to put elusive drug dealer Lucas Thorne away for good. But for Sam’s second in command, Jody Harris, the discovery dredges up disturbing secrets from the past. Secrets that could damage her friendship with Sam. Thorne is one step ahead of them until a surprising ally comes through with one final piece of evidence that will solve an old mystery and nail Thorne. Is the evidence too good to be true? Sam doesn’t dare question it and kill his dreams of ridding the town of Thorne. Meanwhile, Lucy the K9 has her own battle to fight as it seems the unwanted feline guest at the police station may become a permanent fixture.
Crossing Lines book cover
#6

Crossing Lines

2020

He got away with murder once before... A missing persons case in White Rock, New Hampshire turns sinister and sheds light on what might be the biggest mistake of Sam Mason’s career. But the sickening realization that his arch-enemy, Lucas Thorne, may not be guilty of the crime that put him behind bars is the least of Sam’s worries. A dangerous killer is targeting young girls and Sam and his K-9 Lucy must stop him. But life at the White Rock Police station is complicated. Sam has just discovered that his second in command, Jody Harris, hasn’t exactly been truthful to him. Officer Kevin Deckard is still in a coma, and newcomer Wyatt Davis has secrets of his own. The only steady thing in Sam’s world right now is his trusty K-9 Lucy. As the killer escalates, Sam races against the clock to prevent the death of another victim. But the leads are dead ends and the clues don’t make any sense... until Sam uncovers the shocking true identity of the killer.... Too bad he may have figured it out, just moments too late.
Seeking Justice book cover
#7

Seeking Justice

2024

When a prominent naturalist is found dead in the owl sanctuary, the suspect list includes some of the town’s most influential citizens. Each one is up to something shady, but did one commit murder to hide what they were up to? When the case takes a sudden turn involving a secret identity, and clues intersect with the investigation into Jo’s sisters’s cold case, Sam and Jo realize they are up against something bigger than they’d imagined. As they try to solve both cases, Jo’s desire to buy her cottage so she can stay in town has unexpected results and Kevin is wrestling with a shadowy secret of his own. Meanwhile Lucy and Major have entered into a truce... but will it last?

Author

L.A. Dobbs
L.A. Dobbs
Author · 13 books
L.A. Dobbs is the not-so-cozy pen name of USA Today bestselling cozy mystery author Leighann Dobbs. Under the name L.A. Dobbs, she writes engaging mysteries that have twisty plots filled with secrets and lies.
548 Market St PMB 65688, San Francisco California 94104-5401 USA
© 2025 Paratext Inc. All rights reserved