New Fear Street Series by R.L. Stine

He's come back from the dead to get her!Sondra started having terrifying nightmares right after her new stepbrother moved in. Nightmares about her own death. Nightmares about being murdered.A psychic tells Sondra that she is remembering events from a past life. And the person who murdered her may be after her in this life, too. He may be someone close to her. Someone living in her very own house.He may be... her stepbrother.

Maria was nervous about going camping from the beginning, but her two best friends manage to persuade her it will be fun. However, it soon turns out that Maria had been right to worry, and the girls' lives are in great danger.

They knew cheating would be risky. But they never thought it could be deadly. When Shelli and her friends cheat on their college placement test, they think they have just secured their future. Until Shelli's best friend, Jennifer, threatens to turn them all in. Now they must prevent the truth from being revealed. And they will stop at nothing, even murder... But their plan backfires. And they suddenly realize that they are the ones in danger!