In the land of aloha and paradise, dark secrets lurk just below the surface. When a tragic accident downs a tourist boat off the coast of Hawaii, dolphin researcher Kaia Oana is one of the first in the water, risking her own life to try and save others. She’s enlisted to help the U.S. Navy find out what really happened – utilizing her specially trained dolphins to help Kaia and Lieutenant Commander Jesse Matthews team up in the investigation – but as they edge closer to the truth about the incident, their own lives are threatened. Will a spirit of grace and forgiveness prevail or will it be overshadowed by the distant echoes of past pain and the imminent danger from a cold-blooded killer? Set on the breathtaking Hawaiian island of Kauai, this novel provides an intoxicating mix of romance and suspense with the rhythms of island life.

Page-turning romantic suspense set amid the gorgeous beauty of Hawaii and the impending danger of a volcano. A brainy—and perpetually single—volcanologist, Annie Tagama works alongside her father at Hawaii Volcanoes National Park. But despite her pedigree, Annie has lost her passion or volcanology. She's quietly grieving the mysterious loss of her brother in the Middle East. When Annie discovers that her brother might still be alive—and in trouble—she shakes off her malaise and joins forces with Mano Oana, the unnervingly handsome family friend she had always blamed for her brother's death. As Annie and Mano investigate—and find that they have a lot more in common than tragedy—an evil force gathers strength on the main island. An ancient cult has reemerged—and Annie's little sister is somehow involved. As the old religion bubbles to the surface like lava, the old practices are not far behind . . . including human sacrifice. Annie and Mano are desperate to find her brother and save her family from destruction before the ancient evil smothers them all in an earth-shattering eruption. This full-length romantic suspense can be read as a standalone, but is also part of the Aloha Reef Series. Book one: Distant Echoes Book two: Black Sands Book three: Dangerous Depths Book four: Midnight Sea Includes discussion questions. "Wow! Reading Colleen Coble's Black Sands is like taking a romantic excursion to Hawaii's rugged shoreline. Coble brings the setting to life, draws engaging characters, and spins an intricate web of intrigue." —Denise Hunter, author of The Convenient Groom and Summer by the Tides "Filled with the spirit of aloha and page-turning twists and turns, Black Sands is romantic suspense at its thrilling finest. A can't-put-down read!" —Linda Windsor, award-winning author of Paper Moon "No one take you to a setting like Colleen Coble, and what better place to be than the Black Sands of Hawaii? Reading the book was like a cool dip in the balmy ocean—under the lurking shadow of a volcano in shark-infested waters. Enjoy, but beware!" —Kristin Billerbeck, author of The Theory of Happily Ever After

Sometimes life's most precious treasure lies at Dangerous Depths. Leia ditched a promising medical career to settle on a secluded island of Hawaii. She ditched Bane, too, and he's come to the island to find out why. He's also in search of a fortune rumored to lie offshore. But an act of sabotage that pushes Bane closer to Leia plunges them both into a tangle of emotion—just as a series of threatening events grip the island. Theft, a friend's death, a bizarre intruder, hints of a second treasure...and even murder—how can they sort it all out when everyone on the island has something to hide? The novels in Colleen Coble's popular Aloha Reef Series combine mystery and suspense with tender romance in an irresistible island setting.

"Lani opened her eyes fully, straining to see something, anything. It was as though she swam in a black sea that blacked out all light, all visual sensation. 'I can't see,' she whispered. 'I can't see!' Her shriek rose and echoed off the blackness." A seemingly random shooting at her aunt's coffee farm has left Lani Tagama blind. Now she must learn to navigate in a world of darkness. With the help of an embittered ex-cop, Ben, and a half-trained guide dog, Fisher, Lani discovers she can regain a shadow of her former independence. But strange and dangerous secrets lurk behind the beauty of this seaside paradise. Suspicion grows that this was not a random shooting, but an attempted murder, one with its roots in a hippie commune burned over thirty year ago. Lani realizes she is a target, and that she must find the shooter before he strikes again.

On the eve of her Christmas wedding in Hawaii, Leia’s younger sister goes missing. The wedding is called off and the search begins. As Leia prepares for her upcoming Christmas Eve wedding to Bane, she discovers her younger sister Eva is missing. Leia learns she must call off the wedding or she’ll never see Eva again. When Leia hands back Bane’s ring, he presses her for the reason. Her coldness makes him believe all she’s telling him—until he overhears her tell her parents what is really going on. He vows to help her find her sister, but assures her the wedding will stay off since she didn’t trust him enough to tell him the truth in the first place.As the two of them search for Eva, Leia is frantic to find her sister, but her heart breaks at how much she’s hurt and hurting Bane. And she doesn’t know how to fix it. All the family is converging for a wedding she is beginning to believe really won’t take place. Even if they find Eva alive and well, can they ever find their way back to that holy night where they can pledge their love to one another?