The Killing Cure Series by C.S. Kendall

Childhood friendship turns to love in this dark reimagining of the fountain of youth. In 1919, Charlie returns from WWI and gives his heart to Julia. As their love story begins, tragedy strikes when Julia contracts a deadly illness. On her deathbed, dreams of a future together shatter, but Charlie refuses to give up, convincing Julia to drink from a vial of “healing waters” his war buddy swore would bring spontaneous healing... moreChildhood friendship turns to love in this dark reimagining of the fountain of youth. In 1919, Charlie returns from WWI and gives his heart to Julia. As their love story begins, tragedy strikes when Julia contracts a deadly illness. On her deathbed, dreams of a future together shatter, but Charlie refuses to give up, convincing Julia to drink from a vial of “healing waters” his war buddy swore would bring spontaneous healing. Julia's miraculous recovery brings hope, but the water's murderous side effects snuff out the couple’s short-lived joy. Can Charlie help Julia fight the water's call to kill? All their efforts may be in vain when Julia has to choose between running from the curse or embracing it in order to save Charlie. Journey with Julia and Charlie through a love story that spans a hundred years and an age-old curse that spans more and worse, puts Charlie’s life and Julia’s soul at risk. less

After completing the one hundred year-long mission Julia was forced to carry out, she returns to the island where it all began. But rather than finding her beloved Charlie where she left him, the island which houses the cursed fountain of youth is abandoned. In her frantic search for Charlie, Julia will enlist the help of an unlikely ally—someone from her past whom she believed to be dead. This new partnership is rocky, but together they will work to solve the mystery of where Charlie has gone... moreAfter completing the one hundred year-long mission Julia was forced to carry out, she returns to the island where it all began. But rather than finding her beloved Charlie where she left him, the island which houses the cursed fountain of youth is abandoned. In her frantic search for Charlie, Julia will enlist the help of an unlikely ally—someone from her past whom she believed to be dead. This new partnership is rocky, but together they will work to solve the mystery of where Charlie has gone. But even more perplexing than his disappearance is what Charlie has become. With extraordinary abilities of his own, Charlie’s talents are valuable, and they’ve been found out by a dangerous foe. Journey again with Julia as she finds Charlie, unearths a wealth of secrets contained within the fountain of youth’s waters, and discovers that a mission she thought completed...has only just begun. less

Finally, after a century apart, Julia and Charlie begin building a life together. But once again, their plans for a future are thwarted when Charlie displays puzzling side effects of his supernatural existence as the Phoenix. As his symptoms progress and Julia runs out of options, they are forced to seek out the only other immortal they know—Charlie’s former captor, Amara. Darius and Amara go back millennia... moreFinally, after a century apart, Julia and Charlie begin building a life together. But once again, their plans for a future are thwarted when Charlie displays puzzling side effects of his supernatural existence as the Phoenix. As his symptoms progress and Julia runs out of options, they are forced to seek out the only other immortal they know—Charlie’s former captor, Amara. Darius and Amara go back millennia. Having drunk from the murderous Fountain of Youth, their history is marred by deadly choices. Amara is desperate to have Darius back but he cannot forgive her for the part she played in unleashing the Fountain of Youth on the world or for what the water made her do. When Julia gets wind of Amara’s insidious plan to redeem herself, she finds that an enemy of an enemy is a friend. After saving her life, Darius reveals the truth about Charlie’s existence as the Phoenix, including the fact that this time, Julia can’t save the only man she’s ever loved. Armed with nothing but a shadowy foretelling about the Phoenix, Julia discovers that with Charlie and his newfound abilities they may be able to stop Amara from unleashing her treachery on the world. The only problem is they have no idea how. Even if they could figure it out, will the cost of bringing Amara down be too high? less