Work citing source for book by one author

Cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

What about the sentence structure in this passage build suspense

Shauna has collected a variety of sources for her research about charlie chaplin’s impact on american cinema. in performing her preliminary evaluation of each source, shauna should-thoroughly review and examine the content.-perform a quick search to determine the author’s reliability.-check whether the author agrees with experts on the subject.-decide whether it will be useful in her final essay.