REVIEW: The Echo Below by Heather Cavill

ABOUT THE BOOK

Perfect for readers of Where the Crawdads Sing and Wild Dark Shores, The Echo Below is an atmospheric coastal suspense novel about grief, inheritance, and the haunting pull of the sea.

"Some legacies are carried in blood. Others are written on the tide." When Isla March learns her grandmother has mysteriously vanished, she returns to Greyhook, Washington, the fog-shrouded coastal town she thought she’d left behind. What begins as a brief visit soon becomes a dangerous reckoning with her family’s secrets, and the haunting mystery that rises from the deep.

In the March House perched high on the bluff, Isla uncovers cryptic notes, salt-stained journals, and whispers of something ancient bound to her bloodline. The sea, once the site of her greatest sorrow, now calls to her with an unnerving familiarity.

As she reconnects with her childhood friend, Cal, strange disturbances ripple through Greyhook. Tourists are drawn into the water, and locals vanish without a trace. Isla begins to fear that her family's connection to the sea runs deeper than she ever imagined—and now it's rising again.

THE ECHO BELOW by Heather Cavill. Publication: March 6, 2026

REVIEW by Christina Boyd

Heather Cavill delivers a compelling debut that blends a coastal mystery, family secrets, and supernatural suspense with remarkable confidence. Set against the eerie backdrop of the fictional town of Greyhook, Washington, the novel immediately immerses readers in a world of fog-drenched cliffs, restless tides, and lingering grief. Isla March is an engaging protagonist, and her return home unfolds with a steady sense of unease that keeps the tension building chapter after chapter.

One of the novel’s strengths is Cavill’s evocative writing style. The imagery is vivid and cinematic, particularly in the haunting descriptions of the sea and the ominous presence surrounding the March family. The mystery is carefully layered through cryptic journals, unsettling disappearances, and long-buried family truths, creating a story that feels both intimate and unsettling. The relationship between Isla and Cal adds warmth and emotional depth without distracting from the darker currents running beneath the narrative.

What truly sets this novel apart is its unpredictable and emotionally resonant ending. Just when the story seems to settle into familiar territory, Cavill delivers revelations that are both surprising and satisfying. For a debut novel, this is an impressively assured work— atmospheric, suspenseful, and richly imagined from beginning to end. Heather Cavill is a promising new voice in literary fiction, and I’m already looking forward to seeing what she writes next.

Heather Cavill, author and photographer

ABOUT THE AUTHOR

Heather Cavill lives with her family in a quiet beach community near Vancouver, where the fog, sea, and folklore of the West Coast shape her writing. With decades of experience as a professional photographer and branding and marketing consultant, she brings a visual storyteller’s eye to every page. Her background in creative writing, combined with her artistic roots, drives her passion for crafting immersive, atmospheric fiction. You can connect with Heather via Instagram: @heathercavillwriter and her Website: www.heathercavill.ca