"John's Longing" is a captivating novel from Tina Folsom's Scanguards Vampire series that takes readers into a world full of emotions, passion, and danger. The story follows John Grant, a vampire and bodyguard who avoids women after the loss of his mate and unborn child. However, when single mother Savannah Rice asks for his help to find her kidnapped daughter, he is overwhelmed by her allure. Together, they uncover a child trafficking ring that reaches all the way to Russia, and as they race against time, they discover the power of love and the comfort of being in each other's arms. The challenges they face force them to confront their fears and pasts while fighting for the life of Savannah's daughter and other girls. The question remains whether Savannah's love is strong enough to accept the truth about John's vampiric nature.