Elizabeth Harriott: 2 books

I told Astrid to get out of the water. She wasn't there. I dove into the river. Something grabbed my feet and dragged me down. I kicked and fought till I was too tired to move. As it dragged me down, everything got darker and darker. We were probably at the bottom of the lake. I looked around hoping...

Alison's life appears normal until the day her father and brother die in a horrible car crash. Soon after that, her mother goes missing. Alison teams up with an enchanted book to find her. Alison will do anything to save her mother. But can Alison rescue her mother or will she die trying?