Boyfriend, The (Point Horror) by R.L. Stine - Vintage Paperback

Sometimes, love is murder.

Too bad about Dex. He was in love with Joanna. She broke up with him. And then he died.

Joanna's sorry, of course. But it's not her fault he's dead, is it? Besides, she never loved him. Boys are just toys, to be used and thrown away.

But this time, Joanna's gone too far. Because Dex is back. From the dead. For one last date with her....