A page-turner needs to be able to understand the musician's signals and follow the music to know when to turn the page, and to do so quickly and unobtrusively.
In one interview she described the book as a page-turner about sorrow.
A page-turner is often necessary for musicians who are playing complex pieces and prefer not to play from memory.
The story is a page-turner; the details are gripping; the horror, well, it's horrifying.
He can open or close an electrically-controlled door, dial a telephone number, operate a book page-turner, use a tape recorder, and so on.
The book is a page-turner.
It is rare that a piece of research, whatever its other merits, can be described as a 'page-turner', but in this case such a description is not inappropriate.