The Afterlife Cabals

What if everything you've ever believed about life after death is wrong?What if you discovered that many aspects of human behavior, attitudes and beliefs are the result of minds from deceased persons influencing and/or helping the living?
What if you found that autism, homosexuality, schizophrenia and other conditions are caused by minds from the deceased attached to them?When Daniel Nelson's cancer-ravaged body finally gives up he finds that dying was easy compared to what comes after. He learns that while there still doesn't appear to be absolute proof of heaven or hell, there is indeed life after death-but apparently only for some.
Dan doesn't know what to think of his situation. Do all minds live on after death and find a living host or is he unique? He doesn't know but suspects others have survived in the same fashion he did. He discovers he can contact Jeannie if he tries hard enough but he doesn't think a fourteen year old girl could handle an event like that, even one as intelligent and thoughtful as Jeannie.