The Blood Journals Series by Tessa Gratton

It starts off simply. Draw a circle... place a dead leaf in the center... sprinkle some salt... recite a little Latin... add a drop of blood... Maybe that last part isn’t exactly simple. Yet somehow it feels right to Silla Kennicott. And nothing in her life has felt remotely right since her parents’ horrific deaths. She’s willing to do anything to uncover the truth about her family—even try a few spells from the mysterious book that arrived on her doorstep ... and spill some blood... moreIt starts off simply. Draw a circle... place a dead leaf in the center... sprinkle some salt... recite a little Latin... add a drop of blood... Maybe that last part isn’t exactly simple. Yet somehow it feels right to Silla Kennicott. And nothing in her life has felt remotely right since her parents’ horrific deaths. She’s willing to do anything to uncover the truth about her family—even try a few spells from the mysterious book that arrived on her doorstep ... and spill some blood. The book isn’t the only recent arrival in Silla’s life. There’s Nick Pardee, the new guy next door who may have seen Silla casting a spell. She’s not sure what he saw and is afraid to find out. But as they spend more time together, Silla realizes this may not be Nick’s first encounter with Blood Magic. Brought together by a combination of fate and chemistry, Silla and Nick can’t deny their attraction. And they can’t ignore the dark presence lurking nearby—waiting to reclaim the book and all its power. less

For Mab Prowd, blood magic is as natural as breathing. She spends her days on a secluded Kansas farm with other blood witches, practicing spells for healing and trying to avoid boring lessons like algebra and history. Wild and confident, Mab uses magic to understand her entire world. But when one of Mab's spells mistakenly taps into a powerful, long-dormant curse, she finds her magic spinning out of control - and crashing right into Will Sanger, a boy from town... moreFor Mab Prowd, blood magic is as natural as breathing. She spends her days on a secluded Kansas farm with other blood witches, practicing spells for healing and trying to avoid boring lessons like algebra and history. Wild and confident, Mab uses magic to understand her entire world. But when one of Mab's spells mistakenly taps into a powerful, long-dormant curse, she finds her magic spinning out of control - and crashing right into Will Sanger, a boy from town. Will has always relied on the logical, tangible things in his life, like his dogs, his soccer team, and even his complicated family. So he tries to dismiss all he sees and feels around Mab. Still, the strangeness and beauty of her magic draw him in. As Will and Mab grow closer, the unbound curse grows stronger. Hiding in the shadows of the forest, it seeks to manipulate Will and gain Mab's power - even if that means destroying everything they love. less