The Happy Undead Friends series of children's books stars some very (un)scary monsters whose adventures and daily life teaches very good lessons about friendship, compassion, and being good to ourselves and our world. Meet Zigfeeld the Lonely Zombie. He has never had a friend because he is different from other people he meets. One day, he meets Gertie the Ghost who is not afraid of him. She thinks he is very nice, so she invites him on adventure to a new place called home.