This may be The Dream Travellers by Sherry Ashworth.
The chick is hidden on the page with the title "Children's Classics" in the book "I Spy Mystery."
china dolls
Mobile Mystery?
a twisted killer
trot ?
You're going about it backwards, I'm afraid. The title comes last, after you've finished your story. Complete the book first, then the title will come out of what you've written.
Pussycat Dolls. the title of the song is "don't cha".
arsenic
mystery
arsenic
The Mystery of Marie Roget
Pussycat Dolls. And the original title is "When I Grow Up".