Da Vinci Time Travel Series by Susan Squires

Contessa Donnatella di Poliziano has power, beauty, and—as a vampire—eternal life. Her overwhelming regret is a mistake she made centuries ago when she chose not to transform her one true love, Jergan, into a vampire too. Donnatella’s choice has deprived her of the only true love she’s ever known... moreContessa Donnatella di Poliziano has power, beauty, and—as a vampire—eternal life. Her overwhelming regret is a mistake she made centuries ago when she chose not to transform her one true love, Jergan, into a vampire too. Donnatella’s choice has deprived her of the only true love she’s ever known. But just as all seems lost, the discovery of a 300-year-old note leads her to a gift left by her old friend, Leonardo da Vinci: a machine to take her back in time to rewrite the history of her heart… Once back in time, Donnatella’s memory of the intervening years is lost. Yet when she sees the breathtaking Jergan from afar, she feels like she has always known him. The instant attraction she feels draws them together. For Donnatella, the romance is tantalizing, awakening a passion that feels both old and new. But as the two fall in love again, a new danger threatens to tear them apart. Now Jergan’s love for Donnatella will be tested in a most perilous way—and if he fails, the two lovers will be separated again…for eternity. less

Once, Frankie Suchet loved Henri Foucault—and it cost her everything. For two centuries, she has cursed the French duke who gave her his blood and then disappeared forever. Today, this sexy vampire is a bartender living in San Francisco. Now Frankie has been granted a chance to go back in time…and kill the man who made her what she is. But becoming “Francoise” again means losing all memory of the risk Henri poses to her future…and her heart. France, 1794. The Reign of Terror is in full swing... moreOnce, Frankie Suchet loved Henri Foucault—and it cost her everything. For two centuries, she has cursed the French duke who gave her his blood and then disappeared forever. Today, this sexy vampire is a bartender living in San Francisco. Now Frankie has been granted a chance to go back in time…and kill the man who made her what she is. But becoming “Francoise” again means losing all memory of the risk Henri poses to her future…and her heart. France, 1794. The Reign of Terror is in full swing. From the first, Henri is an enigma, saving Francoise from an angry Parisian mob. Drawn to his seductive vitality, Francoise discovers there is much more to him than she once knew. Henri’s devotion to rescuing innocents from the guillotine is his sole passion—until he encounters Francoise’s intoxicating blend of innocence and warmth. And as their attraction explodes to dangerous desire, the only way to save each other may be to sacrifice their timeless love… less

An expert in Leonardo DaVinci’s works, Lucy Rossano recognizes the centuries-old time machine the moment she sees it in a Stanford lab. Fascinated in spite of the danger, she uses her knowledge to briefly go back in time—landing in the middle of a fierce battle in ninth-century Britain... moreAn expert in Leonardo DaVinci’s works, Lucy Rossano recognizes the centuries-old time machine the moment she sees it in a Stanford lab. Fascinated in spite of the danger, she uses her knowledge to briefly go back in time—landing in the middle of a fierce battle in ninth-century Britain. And when she returns to modern-day San Francisco, she brings something back with her: a seductive, fiercely intelligent Viking named Galen… The presence of this enigmatic, devastatingly sexy stranger is just one of the new complications in Lucy’s life. There are others who want to harness the time machine’s power for treacherous ends, and they need Lucy to do it. Galen becomes first her protector, then the lover she’s always dreamed of. But danger is drawing closer, and time is running out. For Galen and Lucy, it’s now…or forever. less

Diana Dearborn knows all about romance, at least in the books she writes. But passion eludes her in real life--until she's offered the chance to travel back in time to Camelot. The world of King Arthur and Guinevere is nothing like she pictured, neither is the knight she encounters on her return to San Francisco: Gawain, the hero of her current project. He's complicated, mysterious, and sexier than anything her imagination could conjure. And he's been waiting for her.. moreDiana Dearborn knows all about romance, at least in the books she writes. But passion eludes her in real life--until she's offered the chance to travel back in time to Camelot. The world of King Arthur and Guinevere is nothing like she pictured, neither is the knight she encounters on her return to San Francisco: Gawain, the hero of her current project. He's complicated, mysterious, and sexier than anything her imagination could conjure. And he's been waiting for her... Now, joined together in a desperate race, Diana and Gawain must prevent an ancient, evil force from wreaking mayhem in the all-too-real present. Diana must learn to trust Gawain--even while she encounters secrets about her own past. But even if their mission succeeds, does Diana's destiny lie with this man from another time--and will their love alter history forever? less