A drug dealer of the future periodically moves away from his spaced-out world to become an informer for narcotics agents until he becomes unable to separate his two personalities.

Molly, a seventeen-year-old girl who suffers from dissociative identity disorder, has played host to Mabel, a completely distinct personality, for most her life. When Molly faces a crisis Mabel doesn't know she can handle, Mabel lets Molly in on her secrets. Molly feels like she's missed bits and pieces of her life. Now, she's figuring out why. Now, she's remembering her own secrets. And in doing so, Molly uncovers the separate life she seems to have...

A novel on a spy school for women with multiple personality disorder. The project, which is funded by the government, is based on the assumption that such people will make more convincing undercover agents. Problems arise when a director starts using the students for personal purposes. By the author of Haven.

The true story of the three women behind Sybil, the famous multiple-personality case.

For ten years, the charmingly disheveled veteran FBI Special Agent E.L. Pender has been investigating the apparently random disappearances of a dozen women across the country.

A fact-based story about a Georgia housewife named Eve, who suffers from multiple personalities. Eve's husband, confused by his wife's behavior seeks help from a psychiatrist. The doctor finds that each of Eve's personalities is aware of the other's existence but none are related. After months of therapy, Eve is purged of her negative selves and is cured.

After the conclusion of the film Split, David Dunn pursues the Beast, which is Kevin Crumb's superhuman personality. The encounters with the Beast escalate as Elijah Price materializes as an orchestrator who knows critical secrets about both Dunn and Crumb.

Even though Kevin has evidenced 23 personalities to his trusted psychiatrist, Dr. Fletcher, there remains one still submerged who is set to materialize and dominate all the others. Compelled to abduct three teenage girls led by the willful, observant Casey, Kevin reaches a war for survival among all of those contained within him, as well as everyone around him, as the walls between his compartments shatter apart.

Dr. Jekyll invents a drug that changes him into Mr. Hyde, a foul-tempered, uncouth degenerate. His evil nature, however, becomes the stronger part of him and, to his horror, he no longer needs the formula to transform his appearance.

Sadie Nettleton fled Slaughter Creek, leaving behind Jake, the love of her life, and her mentally-ill twin sister, but when her grandfather is murdered, she is faced with working with Jake to find out if her twin sister committed the murder.