Succubus on Top, by Richelle Mead

The continuing adventures of Seattle succubus Georgina Kinkaid sees her battling her essential nature by dating a mortal she can’t have sex with for fear of killing him. Georgina feeds off souls, but she and author Seth are in love so she has to remain chaste with him and suck life force elsewhere. Awkward much? Meanwhile an old incubus friend is in town – her male equivalent, who may have a hidden agenda. And then there is her bookshop colleague Doug, whose music career is taking off, possibly under demonic influence. An entertaining supernatural mystery story, with plenty of sex and romance – what’s not to love?