In Nalini Singh’s Psy/Changeling series, there are three main classes of humans and humanoids that can intermarry and have children: humans, changelings, and the psy. Humans are well, human; pretty self-explanatory! The psy, like their name suggests, are psychic beings with different powers depending on the person. Some can predict the future or are empaths, while other still are insanely powerful telekinetics that can kill a person just by thinking about it. The changelings have nothing to do with the type in commonly known in mythology that steal children away in the night and replace them with their own. Actually, they are similar to were-creatures. The main two types that Singh’s series focuses on are wolf or leopard changelings but there are changelings of many animal types, no one is quite sure how many!
Dive into this universe where the changelings, humans, and psy are on the brink of war with each other. only two changeling clans and a few rogue psy can help prevent disaster. Start with book 1 – Slave to Sensation.