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Murder on the Sea Otter Express

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In the third installment of the Grace “the Hit Mom” Mysteries, a field trip to the New Haven Aquarium ends in disaster when a creepy chaperone falls to his death in the beluga whale tank…when Grace...
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  • 10 February 2026
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In the third installment of the Grace “the Hit Mom” Mysteries, a field trip to the New Haven Aquarium ends in disaster when a creepy chaperone falls to his death in the beluga whale tank…when Grace was the one who was supposed to kill him.

Per usual, Grace Adair is juggling it all—being a full-time mom, part-time lawyer, freelance editor, divinely-contracted assassin—and now, school chaperone.

Her son’s field trip to the local aquarium takes a dive when Eric Egan, a district curriculum administrator, is unceremoniously thrown off the aquarium’s Sea Otter Express into the beluga whale tank. Nobody’s especially upset to see the creep’s body sleeping with the fishes, but Grace is in trouble because Egan was supposed to be her next hit—and she sure wouldn’t have killed him in front of a bunch of first graders.

Now, Grace will have to solve the murder, settle decades-old grudges, and keep her own secrets—all while taking care of her family…and serving as flower girl at her handler Madge’s wedding. As the tasks pile up, Grace isn’t sure if she’ll live to see it all done.

Don't miss out on books 1 and 2 in the series: Wrong Poison and Hound of the Bonnevilles!

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Price: $30.99
Pages: 240
Publisher: Turner Publishing Company
Imprint: Keylight Books
Series: Gracie "the Hit Mom" Mysteries
Publication Date: 10 February 2026
Trim Size: 8.50 X 5.50 in
ISBN: 9798887981239
Format: Hardcover
BISACs: Crime & mystery: private investigator / amateur detectives, Crime & mystery: cosy mystery, Crime & mystery: women sleuths
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“The central conceit of planting a deadly vigilante in a sea of suburban banality has its edgy pleasures. And quick-witted Grace is fun to ride along with.” —Kirkus Reviews

Murder on the Sea Otter Express is a different kind of cozy mystery, which is really unique and enjoyable... Good, solid writing and a nice, quick pace really pack a punch and provide readers with an entertaining and satisfying mystery.” —Sandra Martin, Fresh Fiction

“Fast, funny, and wildly suspenseful, Murder on the Sea Otter Express takes the usual cozy mystery tropes and supercharges them. Author Nikki Knight begins with the familiar ‘second shift’ of working moms and gives it a whole new meaning, an inevitable result when the mom in question moonlights as a contract killer for a secret society of ‘lady assassins.’ Think of it as Miss Marple meets Batman. Or Jessica Fletcher meets Robin Hood. Either way, the whip-smart dialogue, engaging characters, and twisty plot will keep you reading from the first chapter to the deeply satisfying conclusion.” —Lori Robbins, Amazon bestselling author of the On Pointe and Master Class mystery series

“Grace Adair and the gang are back for more sleuthing, and this time the Hit-Mom is chaperoning a class trip to the aquarium. What could go wrong? Plenty, and Grace is embroiled in a twisted mystery full of revenge and dirty secrets. This is a page-turner of a mystery that will keep you on the edge of your seat.” —Heather Weidner, author of the Pearly Girls Mysteries and the Jules Keene Glamping Mysteries